Your question is incomplete, what is it the time frame you think could take bitcoin to reach that market cap? If it is is something like less than a decade I think the answer is there is now way for that happen, if instead you are giving bitcoin several decades or even a century then that has a possibility of happening as the economy keeps growing, the popularity and adoption of bitcoin grows as well and inflation gets out of control during the next decades, however even then I do not think we are going to see such a huge market cap during our lifetimes.