Finding the Third Proportional to 374,451.50 and 820,175.50

Step by Step Solution

1. Step 1: Write the proportion equation
   374,451.50 : 820,175.50 = 820,175.50 : x
2. Step 2: Convert to fraction form
   374,451.50/820,175.50 = 820,175.50/x
3. Step 3: Cross multiply
   374,451.50x = 820,175.50 × 820,175.50
4. Step 4: Simplify right side
   374,451.50x = 672,687,850,800.25
5. Step 5: Solve for x
   x = 672,687,850,800.25/374,451.50
6. Step 6: Final answer
   x = 1,796,461.89