Finding the Third Proportional to 158,619.09 and 245,728.69

Step by Step Solution

1. Step 1: Write the proportion equation
   158,619.09 : 245,728.69 = 245,728.69 : x
2. Step 2: Convert to fraction form
   158,619.09/245,728.69 = 245,728.69/x
3. Step 3: Cross multiply
   158,619.09x = 245,728.69 × 245,728.69
4. Step 4: Simplify right side
   158,619.09x = 60,382,587,860.47
5. Step 5: Solve for x
   x = 60,382,587,860.47/158,619.09
6. Step 6: Final answer
   x = 380,676.67