Finding the Third Proportional to 71,724,619,785 and 156,960,585,727

Step by Step Solution

1. Step 1: Write the proportion equation
   71,724,619,785 : 156,960,585,727 = 156,960,585,727 : x
2. Step 2: Convert to fraction form
   71,724,619,785/156,960,585,727 = 156,960,585,727/x
3. Step 3: Cross multiply
   71,724,619,785x = 156,960,585,727 × 156,960,585,727
4. Step 4: Simplify right side
   71,724,619,785x = 24,636,625,471,762,914,607,104
5. Step 5: Solve for x
   x = 24,636,625,471,762,914,607,104/71,724,619,785
6. Step 6: Final answer
   x = 343,489,105,213.99