Finding the Third Proportional to 71,724,619,811 and 156,960,585,769

Step by Step Solution

1. Step 1: Write the proportion equation
   71,724,619,811 : 156,960,585,769 = 156,960,585,769 : x
2. Step 2: Convert to fraction form
   71,724,619,811/156,960,585,769 = 156,960,585,769/x
3. Step 3: Cross multiply
   71,724,619,811x = 156,960,585,769 × 156,960,585,769
4. Step 4: Simplify right side
   71,724,619,811x = 24,636,625,484,947,604,373,504
5. Step 5: Solve for x
   x = 24,636,625,484,947,604,373,504/71,724,619,811
6. Step 6: Final answer
   x = 343,489,105,273.30