Finding the Third Proportional to 443,636 and 682,592

Step by Step Solution

1. Step 1: Write the proportion equation
   443,636 : 682,592 = 682,592 : x
2. Step 2: Convert to fraction form
   443,636/682,592 = 682,592/x
3. Step 3: Cross multiply
   443,636x = 682,592 × 682,592
4. Step 4: Simplify right side
   443,636x = 465,931,838,464
5. Step 5: Solve for x
   x = 465,931,838,464/443,636
6. Step 6: Final answer
   x = 1,050,257.05