Finding the Third Proportional to 4,453,686 and 9,758,568

Step by Step Solution

1. Step 1: Write the proportion equation
   4,453,686 : 9,758,568 = 9,758,568 : x
2. Step 2: Convert to fraction form
   4,453,686/9,758,568 = 9,758,568/x
3. Step 3: Cross multiply
   4,453,686x = 9,758,568 × 9,758,568
4. Step 4: Simplify right side
   4,453,686x = 95,229,649,410,624
5. Step 5: Solve for x
   x = 95,229,649,410,624/4,453,686
6. Step 6: Final answer
   x = 21,382,210.02