Finding the Third Proportional to 254,686.50 and 373,005

Step by Step Solution

1. Step 1: Write the proportion equation
   254,686.50 : 373,005 = 373,005 : x
2. Step 2: Convert to fraction form
   254,686.50/373,005 = 373,005/x
3. Step 3: Cross multiply
   254,686.50x = 373,005 × 373,005
4. Step 4: Simplify right side
   254,686.50x = 139,132,730,025
5. Step 5: Solve for x
   x = 139,132,730,025/254,686.50
6. Step 6: Final answer
   x = 546,290.16