Finding the Third Proportional to 1,278,685 and 2,714,986

Step by Step Solution

1. Step 1: Write the proportion equation
   1,278,685 : 2,714,986 = 2,714,986 : x
2. Step 2: Convert to fraction form
   1,278,685/2,714,986 = 2,714,986/x
3. Step 3: Cross multiply
   1,278,685x = 2,714,986 × 2,714,986
4. Step 4: Simplify right side
   1,278,685x = 7,371,148,980,196
5. Step 5: Solve for x
   x = 7,371,148,980,196/1,278,685
6. Step 6: Final answer
   x = 5,764,632.40