Finding the Third Proportional to 1,256,028 and 2,720,568

Step by Step Solution

1. Step 1: Write the proportion equation
   1,256,028 : 2,720,568 = 2,720,568 : x
2. Step 2: Convert to fraction form
   1,256,028/2,720,568 = 2,720,568/x
3. Step 3: Cross multiply
   1,256,028x = 2,720,568 × 2,720,568
4. Step 4: Simplify right side
   1,256,028x = 7,401,490,242,624
5. Step 5: Solve for x
   x = 7,401,490,242,624/1,256,028
6. Step 6: Final answer
   x = 5,892,774.88