Finding the Third Proportional to 404,330 and 613,876

Step by Step Solution

1. Step 1: Write the proportion equation
   404,330 : 613,876 = 613,876 : x
2. Step 2: Convert to fraction form
   404,330/613,876 = 613,876/x
3. Step 3: Cross multiply
   404,330x = 613,876 × 613,876
4. Step 4: Simplify right side
   404,330x = 376,843,743,376
5. Step 5: Solve for x
   x = 376,843,743,376/404,330
6. Step 6: Final answer
   x = 932,020.24