First, we need to solve for the common ratio from
the data given by using the equation.
a(n) = a(1) r^(n-1)
59049 = 3 r^(10-1)
19683 = r^9
r = 3
Then, we can find the sum by the expression:
S(n) = a(1) ( r^n -1) / 1-r
S(10) = 3 (3^10 -1 ) / 3-1
S(10) =88572
