Finding the Third Proportional to 166,762.50 and 249,688

Step by Step Solution

1. Step 1: Write the proportion equation
   166,762.50 : 249,688 = 249,688 : x
2. Step 2: Convert to fraction form
   166,762.50/249,688 = 249,688/x
3. Step 3: Cross multiply
   166,762.50x = 249,688 × 249,688
4. Step 4: Simplify right side
   166,762.50x = 62,344,097,344
5. Step 5: Solve for x
   x = 62,344,097,344/166,762.50
6. Step 6: Final answer
   x = 373,849.62