Finding the Third Proportional to 71,724,619,788 and 156,960,585,720

Step by Step Solution

1. Step 1: Write the proportion equation
   71,724,619,788 : 156,960,585,720 = 156,960,585,720 : x
2. Step 2: Convert to fraction form
   71,724,619,788/156,960,585,720 = 156,960,585,720/x
3. Step 3: Cross multiply
   71,724,619,788x = 156,960,585,720 × 156,960,585,720
4. Step 4: Simplify right side
   71,724,619,788x = 24,636,625,469,565,468,409,856
5. Step 5: Solve for x
   x = 24,636,625,469,565,468,409,856/71,724,619,788
6. Step 6: Final answer
   x = 343,489,105,168.98