Finding the Third Proportional to 1,017,412 and 2,211,728

Step by Step Solution

1. Step 1: Write the proportion equation
   1,017,412 : 2,211,728 = 2,211,728 : x
2. Step 2: Convert to fraction form
   1,017,412/2,211,728 = 2,211,728/x
3. Step 3: Cross multiply
   1,017,412x = 2,211,728 × 2,211,728
4. Step 4: Simplify right side
   1,017,412x = 4,891,740,745,984
5. Step 5: Solve for x
   x = 4,891,740,745,984/1,017,412
6. Step 6: Final answer
   x = 4,808,023.44