Finding the Third Proportional to 373,854.25 and 820,087.25

Step by Step Solution

1. Step 1: Write the proportion equation
   373,854.25 : 820,087.25 = 820,087.25 : x
2. Step 2: Convert to fraction form
   373,854.25/820,087.25 = 820,087.25/x
3. Step 3: Cross multiply
   373,854.25x = 820,087.25 × 820,087.25
4. Step 4: Simplify right side
   373,854.25x = 672,543,097,612.56
5. Step 5: Solve for x
   x = 672,543,097,612.56/373,854.25
6. Step 6: Final answer
   x = 1,798,944.64