Finding the Third Proportional to 71,724,619,807 and 156,960,585,771

Step by Step Solution

1. Step 1: Write the proportion equation
   71,724,619,807 : 156,960,585,771 = 156,960,585,771 : x
2. Step 2: Convert to fraction form
   71,724,619,807/156,960,585,771 = 156,960,585,771/x
3. Step 3: Cross multiply
   71,724,619,807x = 156,960,585,771 × 156,960,585,771
4. Step 4: Simplify right side
   71,724,619,807x = 24,636,625,485,575,449,739,264
5. Step 5: Solve for x
   x = 24,636,625,485,575,449,739,264/71,724,619,807
6. Step 6: Final answer
   x = 343,489,105,301.20