Finding the Third Proportional to 3,884,568 and 8,540,040

Step by Step Solution

1. Step 1: Write the proportion equation
   3,884,568 : 8,540,040 = 8,540,040 : x
2. Step 2: Convert to fraction form
   3,884,568/8,540,040 = 8,540,040/x
3. Step 3: Cross multiply
   3,884,568x = 8,540,040 × 8,540,040
4. Step 4: Simplify right side
   3,884,568x = 72,932,283,201,600
5. Step 5: Solve for x
   x = 72,932,283,201,600/3,884,568
6. Step 6: Final answer
   x = 18,774,876.18