Finding the Third Proportional to 1,279,752 and 2,800,560

Step by Step Solution

1. Step 1: Write the proportion equation
   1,279,752 : 2,800,560 = 2,800,560 : x
2. Step 2: Convert to fraction form
   1,279,752/2,800,560 = 2,800,560/x
3. Step 3: Cross multiply
   1,279,752x = 2,800,560 × 2,800,560
4. Step 4: Simplify right side
   1,279,752x = 7,843,136,313,600
5. Step 5: Solve for x
   x = 7,843,136,313,600/1,279,752
6. Step 6: Final answer
   x = 6,128,637.67