Finding the Third Proportional to 439,976 and 844,960

Step by Step Solution

1. Step 1: Write the proportion equation
   439,976 : 844,960 = 844,960 : x
2. Step 2: Convert to fraction form
   439,976/844,960 = 844,960/x
3. Step 3: Cross multiply
   439,976x = 844,960 × 844,960
4. Step 4: Simplify right side
   439,976x = 713,957,401,600
5. Step 5: Solve for x
   x = 713,957,401,600/439,976
6. Step 6: Final answer
   x = 1,622,718.97