Finding the Third Proportional to 123,253.50 and 252,348

Step by Step Solution

1. Step 1: Write the proportion equation
   123,253.50 : 252,348 = 252,348 : x
2. Step 2: Convert to fraction form
   123,253.50/252,348 = 252,348/x
3. Step 3: Cross multiply
   123,253.50x = 252,348 × 252,348
4. Step 4: Simplify right side
   123,253.50x = 63,679,513,104
5. Step 5: Solve for x
   x = 63,679,513,104/123,253.50
6. Step 6: Final answer
   x = 516,654.81