Finding the Third Proportional to 105,959.50 and 158,939

Step by Step Solution

1. Step 1: Write the proportion equation
   105,959.50 : 158,939 = 158,939 : x
2. Step 2: Convert to fraction form
   105,959.50/158,939 = 158,939/x
3. Step 3: Cross multiply
   105,959.50x = 158,939 × 158,939
4. Step 4: Simplify right side
   105,959.50x = 25,261,605,721
5. Step 5: Solve for x
   x = 25,261,605,721/105,959.50
6. Step 6: Final answer
   x = 238,408.13