Finding the Third Proportional to 713,626 and 978,568

Step by Step Solution

1. Step 1: Write the proportion equation
   713,626 : 978,568 = 978,568 : x
2. Step 2: Convert to fraction form
   713,626/978,568 = 978,568/x
3. Step 3: Cross multiply
   713,626x = 978,568 × 978,568
4. Step 4: Simplify right side
   713,626x = 957,595,330,624
5. Step 5: Solve for x
   x = 957,595,330,624/713,626
6. Step 6: Final answer
   x = 1,341,872.82