Finding the Third Proportional to 108,079 and 172,658.25

Step by Step Solution

1. Step 1: Write the proportion equation
   108,079 : 172,658.25 = 172,658.25 : x
2. Step 2: Convert to fraction form
   108,079/172,658.25 = 172,658.25/x
3. Step 3: Cross multiply
   108,079x = 172,658.25 × 172,658.25
4. Step 4: Simplify right side
   108,079x = 29,810,871,293.06
5. Step 5: Solve for x
   x = 29,810,871,293.06/108,079
6. Step 6: Final answer
   x = 275,824.83