Finding the Third Proportional to 2,678,768 and 5,619,088

Step by Step Solution

1. Step 1: Write the proportion equation
   2,678,768 : 5,619,088 = 5,619,088 : x
2. Step 2: Convert to fraction form
   2,678,768/5,619,088 = 5,619,088/x
3. Step 3: Cross multiply
   2,678,768x = 5,619,088 × 5,619,088
4. Step 4: Simplify right side
   2,678,768x = 31,574,149,951,744
5. Step 5: Solve for x
   x = 31,574,149,951,744/2,678,768
6. Step 6: Final answer
   x = 11,786,817.65