Finding the Third Proportional to 443,500 and 682,746

Step by Step Solution

1. Step 1: Write the proportion equation
   443,500 : 682,746 = 682,746 : x
2. Step 2: Convert to fraction form
   443,500/682,746 = 682,746/x
3. Step 3: Cross multiply
   443,500x = 682,746 × 682,746
4. Step 4: Simplify right side
   443,500x = 466,142,100,516
5. Step 5: Solve for x
   x = 466,142,100,516/443,500
6. Step 6: Final answer
   x = 1,051,053.21