Finding the Third Proportional to 123.05 and 173.67

Step by Step Solution

1. Step 1: Write the proportion equation
   123.05 : 173.67 = 173.67 : x
2. Step 2: Convert to fraction form
   123.05/173.67 = 173.67/x
3. Step 3: Cross multiply
   123.05x = 173.67 × 173.67
4. Step 4: Simplify right side
   123.05x = 30,161.92
5. Step 5: Solve for x
   x = 30,161.92/123.05
6. Step 6: Final answer
   x = 245.13