Finding the Third Proportional to 127,124.50 and 172,651

Step by Step Solution

1. Step 1: Write the proportion equation
   127,124.50 : 172,651 = 172,651 : x
2. Step 2: Convert to fraction form
   127,124.50/172,651 = 172,651/x
3. Step 3: Cross multiply
   127,124.50x = 172,651 × 172,651
4. Step 4: Simplify right side
   127,124.50x = 29,808,367,801
5. Step 5: Solve for x
   x = 29,808,367,801/127,124.50
6. Step 6: Final answer
   x = 234,481.69