Finding the Third Proportional to 113,929.50 and 249,311.50

Step by Step Solution

1. Step 1: Write the proportion equation
   113,929.50 : 249,311.50 = 249,311.50 : x
2. Step 2: Convert to fraction form
   113,929.50/249,311.50 = 249,311.50/x
3. Step 3: Cross multiply
   113,929.50x = 249,311.50 × 249,311.50
4. Step 4: Simplify right side
   113,929.50x = 62,156,224,032.25
5. Step 5: Solve for x
   x = 62,156,224,032.25/113,929.50
6. Step 6: Final answer
   x = 545,567.43