Finding the Third Proportional to 113,928.50 and 249,311

Step by Step Solution

1. Step 1: Write the proportion equation
   113,928.50 : 249,311 = 249,311 : x
2. Step 2: Convert to fraction form
   113,928.50/249,311 = 249,311/x
3. Step 3: Cross multiply
   113,928.50x = 249,311 × 249,311
4. Step 4: Simplify right side
   113,928.50x = 62,155,974,721
5. Step 5: Solve for x
   x = 62,155,974,721/113,928.50
6. Step 6: Final answer
   x = 545,570.03