Finding the Third Proportional to 4,040,554 and 8,722,062

Step by Step Solution

1. Step 1: Write the proportion equation
   4,040,554 : 8,722,062 = 8,722,062 : x
2. Step 2: Convert to fraction form
   4,040,554/8,722,062 = 8,722,062/x
3. Step 3: Cross multiply
   4,040,554x = 8,722,062 × 8,722,062
4. Step 4: Simplify right side
   4,040,554x = 76,074,365,531,844
5. Step 5: Solve for x
   x = 76,074,365,531,844/4,040,554
6. Step 6: Final answer
   x = 18,827,706.68