Finding the Third Proportional to 3,939,208 and 8,568,596

Step by Step Solution

1. Step 1: Write the proportion equation
   3,939,208 : 8,568,596 = 8,568,596 : x
2. Step 2: Convert to fraction form
   3,939,208/8,568,596 = 8,568,596/x
3. Step 3: Cross multiply
   3,939,208x = 8,568,596 × 8,568,596
4. Step 4: Simplify right side
   3,939,208x = 73,420,837,411,216
5. Step 5: Solve for x
   x = 73,420,837,411,216/3,939,208
6. Step 6: Final answer
   x = 18,638,476.93