Finding the Third Proportional to 1,268,742 and 2,789,838

Step by Step Solution

1. Step 1: Write the proportion equation
   1,268,742 : 2,789,838 = 2,789,838 : x
2. Step 2: Convert to fraction form
   1,268,742/2,789,838 = 2,789,838/x
3. Step 3: Cross multiply
   1,268,742x = 2,789,838 × 2,789,838
4. Step 4: Simplify right side
   1,268,742x = 7,783,196,066,244
5. Step 5: Solve for x
   x = 7,783,196,066,244/1,268,742
6. Step 6: Final answer
   x = 6,134,577.45