Finding the Third Proportional to 123,242 and 252,325

Step by Step Solution

1. Step 1: Write the proportion equation
   123,242 : 252,325 = 252,325 : x
2. Step 2: Convert to fraction form
   123,242/252,325 = 252,325/x
3. Step 3: Cross multiply
   123,242x = 252,325 × 252,325
4. Step 4: Simplify right side
   123,242x = 63,667,905,625
5. Step 5: Solve for x
   x = 63,667,905,625/123,242
6. Step 6: Final answer
   x = 516,608.83