Finding the Third Proportional to 71,724,619,799 and 156,960,585,755

Step by Step Solution

1. Step 1: Write the proportion equation
   71,724,619,799 : 156,960,585,755 = 156,960,585,755 : x
2. Step 2: Convert to fraction form
   71,724,619,799/156,960,585,755 = 156,960,585,755/x
3. Step 3: Cross multiply
   71,724,619,799x = 156,960,585,755 × 156,960,585,755
4. Step 4: Simplify right side
   71,724,619,799x = 24,636,625,480,552,707,784,704
5. Step 5: Solve for x
   x = 24,636,625,480,552,707,784,704/71,724,619,799
6. Step 6: Final answer
   x = 343,489,105,269.49