Finding the Third Proportional to 5,268,772 and 7,944,678

Step by Step Solution

1. Step 1: Write the proportion equation
   5,268,772 : 7,944,678 = 7,944,678 : x
2. Step 2: Convert to fraction form
   5,268,772/7,944,678 = 7,944,678/x
3. Step 3: Cross multiply
   5,268,772x = 7,944,678 × 7,944,678
4. Step 4: Simplify right side
   5,268,772x = 63,117,908,523,684
5. Step 5: Solve for x
   x = 63,117,908,523,684/5,268,772
6. Step 6: Final answer
   x = 11,979,624.19