Finding the Third Proportional to 123,208.59 and 250,882.31

Step by Step Solution

1. Step 1: Write the proportion equation
   123,208.59 : 250,882.31 = 250,882.31 : x
2. Step 2: Convert to fraction form
   123,208.59/250,882.31 = 250,882.31/x
3. Step 3: Cross multiply
   123,208.59x = 250,882.31 × 250,882.31
4. Step 4: Simplify right side
   123,208.59x = 62,941,934,725.35
5. Step 5: Solve for x
   x = 62,941,934,725.35/123,208.59
6. Step 6: Final answer
   x = 510,856.69