Finding the Third Proportional to 172.13 and 241.69

Step by Step Solution

1. Step 1: Write the proportion equation
   172.13 : 241.69 = 241.69 : x
2. Step 2: Convert to fraction form
   172.13/241.69 = 241.69/x
3. Step 3: Cross multiply
   172.13x = 241.69 × 241.69
4. Step 4: Simplify right side
   172.13x = 58,412.85
5. Step 5: Solve for x
   x = 58,412.85/172.13
6. Step 6: Final answer
   x = 339.36