Finding the Third Proportional to 4,040,622 and 8,978,053.50

Step by Step Solution

1. Step 1: Write the proportion equation
   4,040,622 : 8,978,053.50 = 8,978,053.50 : x
2. Step 2: Convert to fraction form
   4,040,622/8,978,053.50 = 8,978,053.50/x
3. Step 3: Cross multiply
   4,040,622x = 8,978,053.50 × 8,978,053.50
4. Step 4: Simplify right side
   4,040,622x = 80,605,444,648,862.25
5. Step 5: Solve for x
   x = 80,605,444,648,862.25/4,040,622
6. Step 6: Final answer
   x = 19,948,771.41