Finding the Third Proportional to 5,311,379 and 7,792,783

Step by Step Solution

1. Step 1: Write the proportion equation
   5,311,379 : 7,792,783 = 7,792,783 : x
2. Step 2: Convert to fraction form
   5,311,379/7,792,783 = 7,792,783/x
3. Step 3: Cross multiply
   5,311,379x = 7,792,783 × 7,792,783
4. Step 4: Simplify right side
   5,311,379x = 60,727,466,885,089
5. Step 5: Solve for x
   x = 60,727,466,885,089/5,311,379
6. Step 6: Final answer
   x = 11,433,465.19