Finding the Third Proportional to 5,188,022 and 8,287,977

Step by Step Solution

1. Step 1: Write the proportion equation
   5,188,022 : 8,287,977 = 8,287,977 : x
2. Step 2: Convert to fraction form
   5,188,022/8,287,977 = 8,287,977/x
3. Step 3: Cross multiply
   5,188,022x = 8,287,977 × 8,287,977
4. Step 4: Simplify right side
   5,188,022x = 68,690,562,752,529
5. Step 5: Solve for x
   x = 68,690,562,752,529/5,188,022
6. Step 6: Final answer
   x = 13,240,221.95