Finding the Third Proportional to 113,572.50 and 249,987

Step by Step Solution

1. Step 1: Write the proportion equation
   113,572.50 : 249,987 = 249,987 : x
2. Step 2: Convert to fraction form
   113,572.50/249,987 = 249,987/x
3. Step 3: Cross multiply
   113,572.50x = 249,987 × 249,987
4. Step 4: Simplify right side
   113,572.50x = 62,493,500,169
5. Step 5: Solve for x
   x = 62,493,500,169/113,572.50
6. Step 6: Final answer
   x = 550,252.04