Finding the Third Proportional to 928,320 and 1,399,872

Step by Step Solution

1. Step 1: Write the proportion equation
   928,320 : 1,399,872 = 1,399,872 : x
2. Step 2: Convert to fraction form
   928,320/1,399,872 = 1,399,872/x
3. Step 3: Cross multiply
   928,320x = 1,399,872 × 1,399,872
4. Step 4: Simplify right side
   928,320x = 1,959,641,616,384
5. Step 5: Solve for x
   x = 1,959,641,616,384/928,320
6. Step 6: Final answer
   x = 2,110,954.86