Finding the Third Proportional to 123,241 and 252,320

Step by Step Solution

1. Step 1: Write the proportion equation
   123,241 : 252,320 = 252,320 : x
2. Step 2: Convert to fraction form
   123,241/252,320 = 252,320/x
3. Step 3: Cross multiply
   123,241x = 252,320 × 252,320
4. Step 4: Simplify right side
   123,241x = 63,665,382,400
5. Step 5: Solve for x
   x = 63,665,382,400/123,241
6. Step 6: Final answer
   x = 516,592.55