Finding the Third Proportional to 1,279,774 and 2,800,604

Step by Step Solution

1. Step 1: Write the proportion equation
   1,279,774 : 2,800,604 = 2,800,604 : x
2. Step 2: Convert to fraction form
   1,279,774/2,800,604 = 2,800,604/x
3. Step 3: Cross multiply
   1,279,774x = 2,800,604 × 2,800,604
4. Step 4: Simplify right side
   1,279,774x = 7,843,382,764,816
5. Step 5: Solve for x
   x = 7,843,382,764,816/1,279,774
6. Step 6: Final answer
   x = 6,128,724.89