Finding the Third Proportional to 120,108 and 173,956.50

Step by Step Solution

1. Step 1: Write the proportion equation
   120,108 : 173,956.50 = 173,956.50 : x
2. Step 2: Convert to fraction form
   120,108/173,956.50 = 173,956.50/x
3. Step 3: Cross multiply
   120,108x = 173,956.50 × 173,956.50
4. Step 4: Simplify right side
   120,108x = 30,260,863,892.25
5. Step 5: Solve for x
   x = 30,260,863,892.25/120,108
6. Step 6: Final answer
   x = 251,947.11