Finding the Third Proportional to 4,075,568 and 8,789,568

Step by Step Solution

1. Step 1: Write the proportion equation
   4,075,568 : 8,789,568 = 8,789,568 : x
2. Step 2: Convert to fraction form
   4,075,568/8,789,568 = 8,789,568/x
3. Step 3: Cross multiply
   4,075,568x = 8,789,568 × 8,789,568
4. Step 4: Simplify right side
   4,075,568x = 77,256,505,626,624
5. Step 5: Solve for x
   x = 77,256,505,626,624/4,075,568
6. Step 6: Final answer
   x = 18,956,009.48