Finding the Third Proportional to 441,018 and 659,799

Step by Step Solution

1. Step 1: Write the proportion equation
   441,018 : 659,799 = 659,799 : x
2. Step 2: Convert to fraction form
   441,018/659,799 = 659,799/x
3. Step 3: Cross multiply
   441,018x = 659,799 × 659,799
4. Step 4: Simplify right side
   441,018x = 435,334,720,401
5. Step 5: Solve for x
   x = 435,334,720,401/441,018
6. Step 6: Final answer
   x = 987,113.27