Finding the Third Proportional to 373,850 and 820,078

Step by Step Solution

1. Step 1: Write the proportion equation
   373,850 : 820,078 = 820,078 : x
2. Step 2: Convert to fraction form
   373,850/820,078 = 820,078/x
3. Step 3: Cross multiply
   373,850x = 820,078 × 820,078
4. Step 4: Simplify right side
   373,850x = 672,527,926,084
5. Step 5: Solve for x
   x = 672,527,926,084/373,850
6. Step 6: Final answer
   x = 1,798,924.50