Finding the Third Proportional to 68,653,022.50 and 103,617,981.50

Step by Step Solution

1. Step 1: Write the proportion equation
   68,653,022.50 : 103,617,981.50 = 103,617,981.50 : x
2. Step 2: Convert to fraction form
   68,653,022.50/103,617,981.50 = 103,617,981.50/x
3. Step 3: Cross multiply
   68,653,022.50x = 103,617,981.50 × 103,617,981.50
4. Step 4: Simplify right side
   68,653,022.50x = 10,736,686,090,134,342
5. Step 5: Solve for x
   x = 10,736,686,090,134,342/68,653,022.50
6. Step 6: Final answer
   x = 156,390,581.20