Finding the Third Proportional to 160,300.50 and 249,201

Step by Step Solution

1. Step 1: Write the proportion equation
   160,300.50 : 249,201 = 249,201 : x
2. Step 2: Convert to fraction form
   160,300.50/249,201 = 249,201/x
3. Step 3: Cross multiply
   160,300.50x = 249,201 × 249,201
4. Step 4: Simplify right side
   160,300.50x = 62,101,138,401
5. Step 5: Solve for x
   x = 62,101,138,401/160,300.50
6. Step 6: Final answer
   x = 387,404.52