Finding the Third Proportional to 158,708 and 245,636

Step by Step Solution

1. Step 1: Write the proportion equation
   158,708 : 245,636 = 245,636 : x
2. Step 2: Convert to fraction form
   158,708/245,636 = 245,636/x
3. Step 3: Cross multiply
   158,708x = 245,636 × 245,636
4. Step 4: Simplify right side
   158,708x = 60,337,044,496
5. Step 5: Solve for x
   x = 60,337,044,496/158,708
6. Step 6: Final answer
   x = 380,176.45