Finding the Third Proportional to 443,460 and 682,686

Step by Step Solution

1. Step 1: Write the proportion equation
   443,460 : 682,686 = 682,686 : x
2. Step 2: Convert to fraction form
   443,460/682,686 = 682,686/x
3. Step 3: Cross multiply
   443,460x = 682,686 × 682,686
4. Step 4: Simplify right side
   443,460x = 466,060,174,596
5. Step 5: Solve for x
   x = 466,060,174,596/443,460
6. Step 6: Final answer
   x = 1,050,963.28