Finding the Third Proportional to 821,443 and 1,797,738

Step by Step Solution

1. Step 1: Write the proportion equation
   821,443 : 1,797,738 = 1,797,738 : x
2. Step 2: Convert to fraction form
   821,443/1,797,738 = 1,797,738/x
3. Step 3: Cross multiply
   821,443x = 1,797,738 × 1,797,738
4. Step 4: Simplify right side
   821,443x = 3,231,861,916,644
5. Step 5: Solve for x
   x = 3,231,861,916,644/821,443
6. Step 6: Final answer
   x = 3,934,371.49