Finding the Third Proportional to 80,300.25 and 172,935

Step by Step Solution

1. Step 1: Write the proportion equation
   80,300.25 : 172,935 = 172,935 : x
2. Step 2: Convert to fraction form
   80,300.25/172,935 = 172,935/x
3. Step 3: Cross multiply
   80,300.25x = 172,935 × 172,935
4. Step 4: Simplify right side
   80,300.25x = 29,906,514,225
5. Step 5: Solve for x
   x = 29,906,514,225/80,300.25
6. Step 6: Final answer
   x = 372,433.64