Finding the Third Proportional to 1,268,756 and 2,789,864

Step by Step Solution

1. Step 1: Write the proportion equation
   1,268,756 : 2,789,864 = 2,789,864 : x
2. Step 2: Convert to fraction form
   1,268,756/2,789,864 = 2,789,864/x
3. Step 3: Cross multiply
   1,268,756x = 2,789,864 × 2,789,864
4. Step 4: Simplify right side
   1,268,756x = 7,783,341,138,496
5. Step 5: Solve for x
   x = 7,783,341,138,496/1,268,756
6. Step 6: Final answer
   x = 6,134,624.10