Finding the Third Proportional to 677,287 and 922,496

Step by Step Solution

1. Step 1: Write the proportion equation
   677,287 : 922,496 = 922,496 : x
2. Step 2: Convert to fraction form
   677,287/922,496 = 922,496/x
3. Step 3: Cross multiply
   677,287x = 922,496 × 922,496
4. Step 4: Simplify right side
   677,287x = 850,998,870,016
5. Step 5: Solve for x
   x = 850,998,870,016/677,287
6. Step 6: Final answer
   x = 1,256,481.92