Finding the Third Proportional to 119,909.50 and 173,234.50

Step by Step Solution

1. Step 1: Write the proportion equation
   119,909.50 : 173,234.50 = 173,234.50 : x
2. Step 2: Convert to fraction form
   119,909.50/173,234.50 = 173,234.50/x
3. Step 3: Cross multiply
   119,909.50x = 173,234.50 × 173,234.50
4. Step 4: Simplify right side
   119,909.50x = 30,010,191,990.25
5. Step 5: Solve for x
   x = 30,010,191,990.25/119,909.50
6. Step 6: Final answer
   x = 250,273.68