Finding the Third Proportional to 1,285,686 and 2,764,858

Step by Step Solution

1. Step 1: Write the proportion equation
   1,285,686 : 2,764,858 = 2,764,858 : x
2. Step 2: Convert to fraction form
   1,285,686/2,764,858 = 2,764,858/x
3. Step 3: Cross multiply
   1,285,686x = 2,764,858 × 2,764,858
4. Step 4: Simplify right side
   1,285,686x = 7,644,439,760,164
5. Step 5: Solve for x
   x = 7,644,439,760,164/1,285,686
6. Step 6: Final answer
   x = 5,945,806.18