Finding the Third Proportional to 603,820 and 1,279,568

Step by Step Solution

1. Step 1: Write the proportion equation
   603,820 : 1,279,568 = 1,279,568 : x
2. Step 2: Convert to fraction form
   603,820/1,279,568 = 1,279,568/x
3. Step 3: Cross multiply
   603,820x = 1,279,568 × 1,279,568
4. Step 4: Simplify right side
   603,820x = 1,637,294,266,624
5. Step 5: Solve for x
   x = 1,637,294,266,624/603,820
6. Step 6: Final answer
   x = 2,711,560.18