Finding the Third Proportional to 1,279,208 and 2,815,984

Step by Step Solution

1. Step 1: Write the proportion equation
   1,279,208 : 2,815,984 = 2,815,984 : x
2. Step 2: Convert to fraction form
   1,279,208/2,815,984 = 2,815,984/x
3. Step 3: Cross multiply
   1,279,208x = 2,815,984 × 2,815,984
4. Step 4: Simplify right side
   1,279,208x = 7,929,765,888,256
5. Step 5: Solve for x
   x = 7,929,765,888,256/1,279,208
6. Step 6: Final answer
   x = 6,198,965.21