Finding the Third Proportional to 3,836,988 and 8,288,766

Step by Step Solution

1. Step 1: Write the proportion equation
   3,836,988 : 8,288,766 = 8,288,766 : x
2. Step 2: Convert to fraction form
   3,836,988/8,288,766 = 8,288,766/x
3. Step 3: Cross multiply
   3,836,988x = 8,288,766 × 8,288,766
4. Step 4: Simplify right side
   3,836,988x = 68,703,641,802,756
5. Step 5: Solve for x
   x = 68,703,641,802,756/3,836,988
6. Step 6: Final answer
   x = 17,905,618.11