Finding the Third Proportional to 105,171 and 158,856

Step by Step Solution

1. Step 1: Write the proportion equation
   105,171 : 158,856 = 158,856 : x
2. Step 2: Convert to fraction form
   105,171/158,856 = 158,856/x
3. Step 3: Cross multiply
   105,171x = 158,856 × 158,856
4. Step 4: Simplify right side
   105,171x = 25,235,228,736
5. Step 5: Solve for x
   x = 25,235,228,736/105,171
6. Step 6: Final answer
   x = 239,944.74