Finding the Third Proportional to 113,931 and 249,340.50

Step by Step Solution

1. Step 1: Write the proportion equation
   113,931 : 249,340.50 = 249,340.50 : x
2. Step 2: Convert to fraction form
   113,931/249,340.50 = 249,340.50/x
3. Step 3: Cross multiply
   113,931x = 249,340.50 × 249,340.50
4. Step 4: Simplify right side
   113,931x = 62,170,684,940.25
5. Step 5: Solve for x
   x = 62,170,684,940.25/113,931
6. Step 6: Final answer
   x = 545,687.17