Finding the Third Proportional to 149,568 and 317,604

Step by Step Solution

1. Step 1: Write the proportion equation
   149,568 : 317,604 = 317,604 : x
2. Step 2: Convert to fraction form
   149,568/317,604 = 317,604/x
3. Step 3: Cross multiply
   149,568x = 317,604 × 317,604
4. Step 4: Simplify right side
   149,568x = 100,872,300,816
5. Step 5: Solve for x
   x = 100,872,300,816/149,568
6. Step 6: Final answer
   x = 674,424.35