Finding the Third Proportional to 172,955.25 and 375,435

Step by Step Solution

1. Step 1: Write the proportion equation
   172,955.25 : 375,435 = 375,435 : x
2. Step 2: Convert to fraction form
   172,955.25/375,435 = 375,435/x
3. Step 3: Cross multiply
   172,955.25x = 375,435 × 375,435
4. Step 4: Simplify right side
   172,955.25x = 140,951,439,225
5. Step 5: Solve for x
   x = 140,951,439,225/172,955.25
6. Step 6: Final answer
   x = 814,959.01