Finding the Third Proportional to 160,300 and 249,200.50

Step by Step Solution

1. Step 1: Write the proportion equation
   160,300 : 249,200.50 = 249,200.50 : x
2. Step 2: Convert to fraction form
   160,300/249,200.50 = 249,200.50/x
3. Step 3: Cross multiply
   160,300x = 249,200.50 × 249,200.50
4. Step 4: Simplify right side
   160,300x = 62,100,889,200.25
5. Step 5: Solve for x
   x = 62,100,889,200.25/160,300
6. Step 6: Final answer
   x = 387,404.17