Finding the Third Proportional to 113,116.50 and 243,715.50

Step by Step Solution

1. Step 1: Write the proportion equation
   113,116.50 : 243,715.50 = 243,715.50 : x
2. Step 2: Convert to fraction form
   113,116.50/243,715.50 = 243,715.50/x
3. Step 3: Cross multiply
   113,116.50x = 243,715.50 × 243,715.50
4. Step 4: Simplify right side
   113,116.50x = 59,397,244,940.25
5. Step 5: Solve for x
   x = 59,397,244,940.25/113,116.50
6. Step 6: Final answer
   x = 525,097.97