Finding the Third Proportional to 4,428,928 and 9,568,064

Step by Step Solution

1. Step 1: Write the proportion equation
   4,428,928 : 9,568,064 = 9,568,064 : x
2. Step 2: Convert to fraction form
   4,428,928/9,568,064 = 9,568,064/x
3. Step 3: Cross multiply
   4,428,928x = 9,568,064 × 9,568,064
4. Step 4: Simplify right side
   4,428,928x = 91,547,848,708,096
5. Step 5: Solve for x
   x = 91,547,848,708,096/4,428,928
6. Step 6: Final answer
   x = 20,670,430.57