Finding the Third Proportional to 127,200.38 and 172,751.06

Step by Step Solution

1. Step 1: Write the proportion equation
   127,200.38 : 172,751.06 = 172,751.06 : x
2. Step 2: Convert to fraction form
   127,200.38/172,751.06 = 172,751.06/x
3. Step 3: Cross multiply
   127,200.38x = 172,751.06 × 172,751.06
4. Step 4: Simplify right side
   127,200.38x = 29,842,929,594.88
5. Step 5: Solve for x
   x = 29,842,929,594.88/127,200.38
6. Step 6: Final answer
   x = 234,613.53