Finding the Third Proportional to 4,158,028 and 8,957,720

Step by Step Solution

1. Step 1: Write the proportion equation
   4,158,028 : 8,957,720 = 8,957,720 : x
2. Step 2: Convert to fraction form
   4,158,028/8,957,720 = 8,957,720/x
3. Step 3: Cross multiply
   4,158,028x = 8,957,720 × 8,957,720
4. Step 4: Simplify right side
   4,158,028x = 80,240,747,598,400
5. Step 5: Solve for x
   x = 80,240,747,598,400/4,158,028
6. Step 6: Final answer
   x = 19,297,789.14