Finding the Third Proportional to 1,279,720 and 2,800,496

Step by Step Solution

1. Step 1: Write the proportion equation
   1,279,720 : 2,800,496 = 2,800,496 : x
2. Step 2: Convert to fraction form
   1,279,720/2,800,496 = 2,800,496/x
3. Step 3: Cross multiply
   1,279,720x = 2,800,496 × 2,800,496
4. Step 4: Simplify right side
   1,279,720x = 7,842,777,846,016
5. Step 5: Solve for x
   x = 7,842,777,846,016/1,279,720
6. Step 6: Final answer
   x = 6,128,510.80