Finding the Third Proportional to 124,610 and 269,140

Step by Step Solution

1. Step 1: Write the proportion equation
   124,610 : 269,140 = 269,140 : x
2. Step 2: Convert to fraction form
   124,610/269,140 = 269,140/x
3. Step 3: Cross multiply
   124,610x = 269,140 × 269,140
4. Step 4: Simplify right side
   124,610x = 72,436,339,600
5. Step 5: Solve for x
   x = 72,436,339,600/124,610
6. Step 6: Final answer
   x = 581,304.39