Finding the Third Proportional to 113,818.50 and 249,412.50

Step by Step Solution

1. Step 1: Write the proportion equation
   113,818.50 : 249,412.50 = 249,412.50 : x
2. Step 2: Convert to fraction form
   113,818.50/249,412.50 = 249,412.50/x
3. Step 3: Cross multiply
   113,818.50x = 249,412.50 × 249,412.50
4. Step 4: Simplify right side
   113,818.50x = 62,206,595,156.25
5. Step 5: Solve for x
   x = 62,206,595,156.25/113,818.50
6. Step 6: Final answer
   x = 546,542.04