Finding the Third Proportional to 821,470 and 1,797,538

Step by Step Solution

1. Step 1: Write the proportion equation
   821,470 : 1,797,538 = 1,797,538 : x
2. Step 2: Convert to fraction form
   821,470/1,797,538 = 1,797,538/x
3. Step 3: Cross multiply
   821,470x = 1,797,538 × 1,797,538
4. Step 4: Simplify right side
   821,470x = 3,231,142,861,444
5. Step 5: Solve for x
   x = 3,231,142,861,444/821,470
6. Step 6: Final answer
   x = 3,933,366.84