Finding the Third Proportional to 172,519.50 and 375,414

Step by Step Solution

1. Step 1: Write the proportion equation
   172,519.50 : 375,414 = 375,414 : x
2. Step 2: Convert to fraction form
   172,519.50/375,414 = 375,414/x
3. Step 3: Cross multiply
   172,519.50x = 375,414 × 375,414
4. Step 4: Simplify right side
   172,519.50x = 140,935,671,396
5. Step 5: Solve for x
   x = 140,935,671,396/172,519.50
6. Step 6: Final answer
   x = 816,926.04