Finding the Third Proportional to 30,715,079 and 67,215,502

Step by Step Solution

1. Step 1: Write the proportion equation
   30,715,079 : 67,215,502 = 67,215,502 : x
2. Step 2: Convert to fraction form
   30,715,079/67,215,502 = 67,215,502/x
3. Step 3: Cross multiply
   30,715,079x = 67,215,502 × 67,215,502
4. Step 4: Simplify right side
   30,715,079x = 4,517,923,709,112,004
5. Step 5: Solve for x
   x = 4,517,923,709,112,004/30,715,079
6. Step 6: Final answer
   x = 147,091,391.47