Finding the Third Proportional to 404,716 and 613,124

Step by Step Solution

1. Step 1: Write the proportion equation
   404,716 : 613,124 = 613,124 : x
2. Step 2: Convert to fraction form
   404,716/613,124 = 613,124/x
3. Step 3: Cross multiply
   404,716x = 613,124 × 613,124
4. Step 4: Simplify right side
   404,716x = 375,921,039,376
5. Step 5: Solve for x
   x = 375,921,039,376/404,716
6. Step 6: Final answer
   x = 928,851.44