Finding the Third Proportional to 4,040,568 and 8,722,092

Step by Step Solution

1. Step 1: Write the proportion equation
   4,040,568 : 8,722,092 = 8,722,092 : x
2. Step 2: Convert to fraction form
   4,040,568/8,722,092 = 8,722,092/x
3. Step 3: Cross multiply
   4,040,568x = 8,722,092 × 8,722,092
4. Step 4: Simplify right side
   4,040,568x = 76,074,888,856,464
5. Step 5: Solve for x
   x = 76,074,888,856,464/4,040,568
6. Step 6: Final answer
   x = 18,827,770.96