Finding the Third Proportional to 821,487 and 1,797,573

Step by Step Solution

1. Step 1: Write the proportion equation
   821,487 : 1,797,573 = 1,797,573 : x
2. Step 2: Convert to fraction form
   821,487/1,797,573 = 1,797,573/x
3. Step 3: Cross multiply
   821,487x = 1,797,573 × 1,797,573
4. Step 4: Simplify right side
   821,487x = 3,231,268,690,329
5. Step 5: Solve for x
   x = 3,231,268,690,329/821,487
6. Step 6: Final answer
   x = 3,933,438.62