Finding the Third Proportional to 1,002,446 and 2,161,386

Step by Step Solution

1. Step 1: Write the proportion equation
   1,002,446 : 2,161,386 = 2,161,386 : x
2. Step 2: Convert to fraction form
   1,002,446/2,161,386 = 2,161,386/x
3. Step 3: Cross multiply
   1,002,446x = 2,161,386 × 2,161,386
4. Step 4: Simplify right side
   1,002,446x = 4,671,589,440,996
5. Step 5: Solve for x
   x = 4,671,589,440,996/1,002,446
6. Step 6: Final answer
   x = 4,660,190.61