Finding the Third Proportional to 3,746,560 and 8,221,568

Step by Step Solution

1. Step 1: Write the proportion equation
   3,746,560 : 8,221,568 = 8,221,568 : x
2. Step 2: Convert to fraction form
   3,746,560/8,221,568 = 8,221,568/x
3. Step 3: Cross multiply
   3,746,560x = 8,221,568 × 8,221,568
4. Step 4: Simplify right side
   3,746,560x = 67,594,180,378,624
5. Step 5: Solve for x
   x = 67,594,180,378,624/3,746,560
6. Step 6: Final answer
   x = 18,041,664.99