Complex sentence: Notice that equality was not used; in order to obtain equality we would have to let x\\ to\\ infty in some way--certainly the larger we take x to be, the closer the above probability comes to\\ frac.
Split into simpler sentences: Notice that equality was not used here: in order to obtain equality we would have to let x\\ to\\ infty in some fashion. The larger x is the closer the above probability comes to\\ frac.