Finding the Third Proportional to 1,224,728 and 2,646,612

Step by Step Solution

1. Step 1: Write the proportion equation
   1,224,728 : 2,646,612 = 2,646,612 : x
2. Step 2: Convert to fraction form
   1,224,728/2,646,612 = 2,646,612/x
3. Step 3: Cross multiply
   1,224,728x = 2,646,612 × 2,646,612
4. Step 4: Simplify right side
   1,224,728x = 7,004,555,078,544
5. Step 5: Solve for x
   x = 7,004,555,078,544/1,224,728
6. Step 6: Final answer
   x = 5,719,274.06