Finding the Third Proportional to 113,932.50 and 249,309

Step by Step Solution

1. Step 1: Write the proportion equation
   113,932.50 : 249,309 = 249,309 : x
2. Step 2: Convert to fraction form
   113,932.50/249,309 = 249,309/x
3. Step 3: Cross multiply
   113,932.50x = 249,309 × 249,309
4. Step 4: Simplify right side
   113,932.50x = 62,154,977,481
5. Step 5: Solve for x
   x = 62,154,977,481/113,932.50
6. Step 6: Final answer
   x = 545,542.12