Finding the Third Proportional to 72.69 and 112.44

Step by Step Solution

1. Step 1: Write the proportion equation
   72.69 : 112.44 = 112.44 : x
2. Step 2: Convert to fraction form
   72.69/112.44 = 112.44/x
3. Step 3: Cross multiply
   72.69x = 112.44 × 112.44
4. Step 4: Simplify right side
   72.69x = 12,642.19
5. Step 5: Solve for x
   x = 12,642.19/72.69
6. Step 6: Final answer
   x = 173.93