Finding the Third Proportional to 160,966.50 and 249,012

Step by Step Solution

1. Step 1: Write the proportion equation
   160,966.50 : 249,012 = 249,012 : x
2. Step 2: Convert to fraction form
   160,966.50/249,012 = 249,012/x
3. Step 3: Cross multiply
   160,966.50x = 249,012 × 249,012
4. Step 4: Simplify right side
   160,966.50x = 62,006,976,144
5. Step 5: Solve for x
   x = 62,006,976,144/160,966.50
6. Step 6: Final answer
   x = 385,216.65