Finding the Third Proportional to 124,680 and 275,610

Step by Step Solution

1. Step 1: Write the proportion equation
   124,680 : 275,610 = 275,610 : x
2. Step 2: Convert to fraction form
   124,680/275,610 = 275,610/x
3. Step 3: Cross multiply
   124,680x = 275,610 × 275,610
4. Step 4: Simplify right side
   124,680x = 75,960,872,100
5. Step 5: Solve for x
   x = 75,960,872,100/124,680
6. Step 6: Final answer
   x = 609,246.65