Finding the Third Proportional to 3,690,614 and 7,987,756

Step by Step Solution

1. Step 1: Write the proportion equation
   3,690,614 : 7,987,756 = 7,987,756 : x
2. Step 2: Convert to fraction form
   3,690,614/7,987,756 = 7,987,756/x
3. Step 3: Cross multiply
   3,690,614x = 7,987,756 × 7,987,756
4. Step 4: Simplify right side
   3,690,614x = 63,804,245,915,536
5. Step 5: Solve for x
   x = 63,804,245,915,536/3,690,614
6. Step 6: Final answer
   x = 17,288,246.87