Finding the Third Proportional to 1,279,750 and 2,800,556

Step by Step Solution

1. Step 1: Write the proportion equation
   1,279,750 : 2,800,556 = 2,800,556 : x
2. Step 2: Convert to fraction form
   1,279,750/2,800,556 = 2,800,556/x
3. Step 3: Cross multiply
   1,279,750x = 2,800,556 × 2,800,556
4. Step 4: Simplify right side
   1,279,750x = 7,843,113,909,136
5. Step 5: Solve for x
   x = 7,843,113,909,136/1,279,750
6. Step 6: Final answer
   x = 6,128,629.74