Finding the Third Proportional to 71,724,619,781 and 156,960,585,719

Step by Step Solution

1. Step 1: Write the proportion equation
   71,724,619,781 : 156,960,585,719 = 156,960,585,719 : x
2. Step 2: Convert to fraction form
   71,724,619,781/156,960,585,719 = 156,960,585,719/x
3. Step 3: Cross multiply
   71,724,619,781x = 156,960,585,719 × 156,960,585,719
4. Step 4: Simplify right side
   71,724,619,781x = 24,636,625,469,251,545,726,976
5. Step 5: Solve for x
   x = 24,636,625,469,251,545,726,976/71,724,619,781
6. Step 6: Final answer
   x = 343,489,105,198.13