Finding the Third Proportional to 30,715,052 and 67,215,448

Step by Step Solution

1. Step 1: Write the proportion equation
   30,715,052 : 67,215,448 = 67,215,448 : x
2. Step 2: Convert to fraction form
   30,715,052/67,215,448 = 67,215,448/x
3. Step 3: Cross multiply
   30,715,052x = 67,215,448 × 67,215,448
4. Step 4: Simplify right side
   30,715,052x = 4,517,916,449,840,704
5. Step 5: Solve for x
   x = 4,517,916,449,840,704/30,715,052
6. Step 6: Final answer
   x = 147,091,284.42