Finding the Third Proportional to 108,382.50 and 172,608

Step by Step Solution

1. Step 1: Write the proportion equation
   108,382.50 : 172,608 = 172,608 : x
2. Step 2: Convert to fraction form
   108,382.50/172,608 = 172,608/x
3. Step 3: Cross multiply
   108,382.50x = 172,608 × 172,608
4. Step 4: Simplify right side
   108,382.50x = 29,793,521,664
5. Step 5: Solve for x
   x = 29,793,521,664/108,382.50
6. Step 6: Final answer
   x = 274,892.36