Finding the Third Proportional to 374,429.25 and 820,131.75

Step by Step Solution

1. Step 1: Write the proportion equation
   374,429.25 : 820,131.75 = 820,131.75 : x
2. Step 2: Convert to fraction form
   374,429.25/820,131.75 = 820,131.75/x
3. Step 3: Cross multiply
   374,429.25x = 820,131.75 × 820,131.75
4. Step 4: Simplify right side
   374,429.25x = 672,616,087,358.06
5. Step 5: Solve for x
   x = 672,616,087,358.06/374,429.25
6. Step 6: Final answer
   x = 1,796,376.99