Finding the Third Proportional to 71,724,619,780 and 156,960,585,715

Step by Step Solution

1. Step 1: Write the proportion equation
   71,724,619,780 : 156,960,585,715 = 156,960,585,715 : x
2. Step 2: Convert to fraction form
   71,724,619,780/156,960,585,715 = 156,960,585,715/x
3. Step 3: Cross multiply
   71,724,619,780x = 156,960,585,715 × 156,960,585,715
4. Step 4: Simplify right side
   71,724,619,780x = 24,636,625,467,995,863,384,064
5. Step 5: Solve for x
   x = 24,636,625,467,995,863,384,064/71,724,619,780
6. Step 6: Final answer
   x = 343,489,105,185.41