Finding the Third Proportional to 821,499 and 1,797,600

Step by Step Solution

1. Step 1: Write the proportion equation
   821,499 : 1,797,600 = 1,797,600 : x
2. Step 2: Convert to fraction form
   821,499/1,797,600 = 1,797,600/x
3. Step 3: Cross multiply
   821,499x = 1,797,600 × 1,797,600
4. Step 4: Simplify right side
   821,499x = 3,231,365,760,000
5. Step 5: Solve for x
   x = 3,231,365,760,000/821,499
6. Step 6: Final answer
   x = 3,933,499.32