Finding the Third Proportional to 108,610.88 and 172,744.31

Step by Step Solution

1. Step 1: Write the proportion equation
   108,610.88 : 172,744.31 = 172,744.31 : x
2. Step 2: Convert to fraction form
   108,610.88/172,744.31 = 172,744.31/x
3. Step 3: Cross multiply
   108,610.88x = 172,744.31 × 172,744.31
4. Step 4: Simplify right side
   108,610.88x = 29,840,597,501.10
5. Step 5: Solve for x
   x = 29,840,597,501.10/108,610.88
6. Step 6: Final answer
   x = 274,747.79