Finding the Third Proportional to 443,502 and 682,626

Step by Step Solution

1. Step 1: Write the proportion equation
   443,502 : 682,626 = 682,626 : x
2. Step 2: Convert to fraction form
   443,502/682,626 = 682,626/x
3. Step 3: Cross multiply
   443,502x = 682,626 × 682,626
4. Step 4: Simplify right side
   443,502x = 465,978,255,876
5. Step 5: Solve for x
   x = 465,978,255,876/443,502
6. Step 6: Final answer
   x = 1,050,679.04