Finding the Third Proportional to 113,940 and 249,322.50

Step by Step Solution

1. Step 1: Write the proportion equation
   113,940 : 249,322.50 = 249,322.50 : x
2. Step 2: Convert to fraction form
   113,940/249,322.50 = 249,322.50/x
3. Step 3: Cross multiply
   113,940x = 249,322.50 × 249,322.50
4. Step 4: Simplify right side
   113,940x = 62,161,709,006.25
5. Step 5: Solve for x
   x = 62,161,709,006.25/113,940
6. Step 6: Final answer
   x = 545,565.29