Finding the Third Proportional to 160,297.50 and 249,196.50

Step by Step Solution

1. Step 1: Write the proportion equation
   160,297.50 : 249,196.50 = 249,196.50 : x
2. Step 2: Convert to fraction form
   160,297.50/249,196.50 = 249,196.50/x
3. Step 3: Cross multiply
   160,297.50x = 249,196.50 × 249,196.50
4. Step 4: Simplify right side
   160,297.50x = 62,098,895,612.25
5. Step 5: Solve for x
   x = 62,098,895,612.25/160,297.50
6. Step 6: Final answer
   x = 387,397.78