Finding the Third Proportional to 1,399,446 and 2,227,878

Step by Step Solution

1. Step 1: Write the proportion equation
   1,399,446 : 2,227,878 = 2,227,878 : x
2. Step 2: Convert to fraction form
   1,399,446/2,227,878 = 2,227,878/x
3. Step 3: Cross multiply
   1,399,446x = 2,227,878 × 2,227,878
4. Step 4: Simplify right side
   1,399,446x = 4,963,440,382,884
5. Step 5: Solve for x
   x = 4,963,440,382,884/1,399,446
6. Step 6: Final answer
   x = 3,546,718.05