Finding the Third Proportional to 8,123,699 and 17,647,879

Step by Step Solution

1. Step 1: Write the proportion equation
   8,123,699 : 17,647,879 = 17,647,879 : x
2. Step 2: Convert to fraction form
   8,123,699/17,647,879 = 17,647,879/x
3. Step 3: Cross multiply
   8,123,699x = 17,647,879 × 17,647,879
4. Step 4: Simplify right side
   8,123,699x = 311,447,633,198,641
5. Step 5: Solve for x
   x = 311,447,633,198,641/8,123,699
6. Step 6: Final answer
   x = 38,338,155.22