Finding the Third Proportional to 113,883.50 and 249,217

Step by Step Solution

1. Step 1: Write the proportion equation
   113,883.50 : 249,217 = 249,217 : x
2. Step 2: Convert to fraction form
   113,883.50/249,217 = 249,217/x
3. Step 3: Cross multiply
   113,883.50x = 249,217 × 249,217
4. Step 4: Simplify right side
   113,883.50x = 62,109,113,089
5. Step 5: Solve for x
   x = 62,109,113,089/113,883.50
6. Step 6: Final answer
   x = 545,374.12