Finding the Third Proportional to 123,250.50 and 252,342

Step by Step Solution

1. Step 1: Write the proportion equation
   123,250.50 : 252,342 = 252,342 : x
2. Step 2: Convert to fraction form
   123,250.50/252,342 = 252,342/x
3. Step 3: Cross multiply
   123,250.50x = 252,342 × 252,342
4. Step 4: Simplify right side
   123,250.50x = 63,676,484,964
5. Step 5: Solve for x
   x = 63,676,484,964/123,250.50
6. Step 6: Final answer
   x = 516,642.81