Is it appropriate to guess page numbers of a book from its translated version? Short: It's easy to find bibliographical info, but how to guess page numbers? 

I'm writing a paper in English. I want to cite certain book, originally published in French. It is translated to English and Russian. I own a Russian translation. I'd like to reference English translation. I don't have access to other language versions and I'm not going to purchase them.
Regarding your original question, if you have access to a Russian translation and you want to cite the English translation, but you do not have access to the English translation, then you really need to focus on citing what you have access to.

Now, I understand it turns out you do have access to the English version as stated in your answer but for future reference, you should not cite a version of a text you do not have acces to. The reasons are more than simply that you don't know the page numbers. It is possible that there is a problem in the Russian translation but the English version does not have that problem. Likewise the opposite could be true. Basically, the two versions could be slightly but meaningfully different. Because of this possibility, you should only cite what you have access to. Otherwise, cite through a third-party "Jones wrote in 2001 (cited in Simpson, 2005)."