Finding the Third Proportional to 404,496 and 880,128

Step by Step Solution

1. Step 1: Write the proportion equation
   404,496 : 880,128 = 880,128 : x
2. Step 2: Convert to fraction form
   404,496/880,128 = 880,128/x
3. Step 3: Cross multiply
   404,496x = 880,128 × 880,128
4. Step 4: Simplify right side
   404,496x = 774,625,296,384
5. Step 5: Solve for x
   x = 774,625,296,384/404,496
6. Step 6: Final answer
   x = 1,915,038.21