Finding the Third Proportional to 3,905,568 and 8,231,040

Step by Step Solution

1. Step 1: Write the proportion equation
   3,905,568 : 8,231,040 = 8,231,040 : x
2. Step 2: Convert to fraction form
   3,905,568/8,231,040 = 8,231,040/x
3. Step 3: Cross multiply
   3,905,568x = 8,231,040 × 8,231,040
4. Step 4: Simplify right side
   3,905,568x = 67,750,019,481,600
5. Step 5: Solve for x
   x = 67,750,019,481,600/3,905,568
6. Step 6: Final answer
   x = 17,347,033.64