Finding the Third Proportional to 1,268,756 and 2,789,866

Step by Step Solution

1. Step 1: Write the proportion equation
   1,268,756 : 2,789,866 = 2,789,866 : x
2. Step 2: Convert to fraction form
   1,268,756/2,789,866 = 2,789,866/x
3. Step 3: Cross multiply
   1,268,756x = 2,789,866 × 2,789,866
4. Step 4: Simplify right side
   1,268,756x = 7,783,352,297,956
5. Step 5: Solve for x
   x = 7,783,352,297,956/1,268,756
6. Step 6: Final answer
   x = 6,134,632.90