Finding the Third Proportional to 58,663.50 and 124,599

Step by Step Solution

1. Step 1: Write the proportion equation
   58,663.50 : 124,599 = 124,599 : x
2. Step 2: Convert to fraction form
   58,663.50/124,599 = 124,599/x
3. Step 3: Cross multiply
   58,663.50x = 124,599 × 124,599
4. Step 4: Simplify right side
   58,663.50x = 15,524,910,801
5. Step 5: Solve for x
   x = 15,524,910,801/58,663.50
6. Step 6: Final answer
   x = 264,643.45