Finding the Third Proportional to 3,659,863 and 7,949,757

Step by Step Solution

1. Step 1: Write the proportion equation
   3,659,863 : 7,949,757 = 7,949,757 : x
2. Step 2: Convert to fraction form
   3,659,863/7,949,757 = 7,949,757/x
3. Step 3: Cross multiply
   3,659,863x = 7,949,757 × 7,949,757
4. Step 4: Simplify right side
   3,659,863x = 63,198,636,359,049
5. Step 5: Solve for x
   x = 63,198,636,359,049/3,659,863
6. Step 6: Final answer
   x = 17,268,033.36