Finding the Third Proportional to 443,496 and 682,740

Step by Step Solution

1. Step 1: Write the proportion equation
   443,496 : 682,740 = 682,740 : x
2. Step 2: Convert to fraction form
   443,496/682,740 = 682,740/x
3. Step 3: Cross multiply
   443,496x = 682,740 × 682,740
4. Step 4: Simplify right side
   443,496x = 466,133,907,600
5. Step 5: Solve for x
   x = 466,133,907,600/443,496
6. Step 6: Final answer
   x = 1,051,044.22