If there were 161,809,242 females in the us in 2014 and 5.9% were diagnosed with diabetes, how many females had been diagnosed?

For this case what we can do is the following rule of three:
 161,809,242 > 100%
 x > 5.9%
 Clearing x we have:
 x = (161809242) * (5.9 / 100)
 x = 9546745.278
 Nearest whole number:
 x = 9546745
  
 had been diagnosed about 9546745 females

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