Finding the Third Proportional to 42,534,115 and 91,120,813

Step by Step Solution

1. Step 1: Write the proportion equation
   42,534,115 : 91,120,813 = 91,120,813 : x
2. Step 2: Convert to fraction form
   42,534,115/91,120,813 = 91,120,813/x
3. Step 3: Cross multiply
   42,534,115x = 91,120,813 × 91,120,813
4. Step 4: Simplify right side
   42,534,115x = 8,303,002,561,780,969
5. Step 5: Solve for x
   x = 8,303,002,561,780,969/42,534,115
6. Step 6: Final answer
   x = 195,208,071.49