Finding the Third Proportional to 2,812,604 and 3,982,419

Step by Step Solution

1. Step 1: Write the proportion equation
   2,812,604 : 3,982,419 = 3,982,419 : x
2. Step 2: Convert to fraction form
   2,812,604/3,982,419 = 3,982,419/x
3. Step 3: Cross multiply
   2,812,604x = 3,982,419 × 3,982,419
4. Step 4: Simplify right side
   2,812,604x = 15,859,661,091,561
5. Step 5: Solve for x
   x = 15,859,661,091,561/2,812,604
6. Step 6: Final answer
   x = 5,638,782.10