Finding the Third Proportional to 124,861.50 and 275,175

Step by Step Solution

1. Step 1: Write the proportion equation
   124,861.50 : 275,175 = 275,175 : x
2. Step 2: Convert to fraction form
   124,861.50/275,175 = 275,175/x
3. Step 3: Cross multiply
   124,861.50x = 275,175 × 275,175
4. Step 4: Simplify right side
   124,861.50x = 75,721,280,625
5. Step 5: Solve for x
   x = 75,721,280,625/124,861.50
6. Step 6: Final answer
   x = 606,442.18