Finding the Third Proportional to 105,879.50 and 159,055

Step by Step Solution

1. Step 1: Write the proportion equation
   105,879.50 : 159,055 = 159,055 : x
2. Step 2: Convert to fraction form
   105,879.50/159,055 = 159,055/x
3. Step 3: Cross multiply
   105,879.50x = 159,055 × 159,055
4. Step 4: Simplify right side
   105,879.50x = 25,298,493,025
5. Step 5: Solve for x
   x = 25,298,493,025/105,879.50
6. Step 6: Final answer
   x = 238,936.65