Finding the Third Proportional to 172,568.25 and 375,498

Step by Step Solution

1. Step 1: Write the proportion equation
   172,568.25 : 375,498 = 375,498 : x
2. Step 2: Convert to fraction form
   172,568.25/375,498 = 375,498/x
3. Step 3: Cross multiply
   172,568.25x = 375,498 × 375,498
4. Step 4: Simplify right side
   172,568.25x = 140,998,748,004
5. Step 5: Solve for x
   x = 140,998,748,004/172,568.25
6. Step 6: Final answer
   x = 817,060.77