Finding the Third Proportional to 158,939.25 and 238,408.50

Step by Step Solution

1. Step 1: Write the proportion equation
   158,939.25 : 238,408.50 = 238,408.50 : x
2. Step 2: Convert to fraction form
   158,939.25/238,408.50 = 238,408.50/x
3. Step 3: Cross multiply
   158,939.25x = 238,408.50 × 238,408.50
4. Step 4: Simplify right side
   158,939.25x = 56,838,612,872.25
5. Step 5: Solve for x
   x = 56,838,612,872.25/158,939.25
6. Step 6: Final answer
   x = 357,612.19