Finding the Third Proportional to 713,674 and 978,612

Step by Step Solution

1. Step 1: Write the proportion equation
   713,674 : 978,612 = 978,612 : x
2. Step 2: Convert to fraction form
   713,674/978,612 = 978,612/x
3. Step 3: Cross multiply
   713,674x = 978,612 × 978,612
4. Step 4: Simplify right side
   713,674x = 957,681,446,544
5. Step 5: Solve for x
   x = 957,681,446,544/713,674
6. Step 6: Final answer
   x = 1,341,903.23