Finding the Third Proportional to 3,939,176 and 8,568,535

Step by Step Solution

1. Step 1: Write the proportion equation
   3,939,176 : 8,568,535 = 8,568,535 : x
2. Step 2: Convert to fraction form
   3,939,176/8,568,535 = 8,568,535/x
3. Step 3: Cross multiply
   3,939,176x = 8,568,535 × 8,568,535
4. Step 4: Simplify right side
   3,939,176x = 73,419,792,046,225
5. Step 5: Solve for x
   x = 73,419,792,046,225/3,939,176
6. Step 6: Final answer
   x = 18,638,362.96