Finding the Third Proportional to 158,617.50 and 245,979

Step by Step Solution

1. Step 1: Write the proportion equation
   158,617.50 : 245,979 = 245,979 : x
2. Step 2: Convert to fraction form
   158,617.50/245,979 = 245,979/x
3. Step 3: Cross multiply
   158,617.50x = 245,979 × 245,979
4. Step 4: Simplify right side
   158,617.50x = 60,505,668,441
5. Step 5: Solve for x
   x = 60,505,668,441/158,617.50
6. Step 6: Final answer
   x = 381,456.45