Finding the Third Proportional to 72.95 and 112.96

Step by Step Solution

1. Step 1: Write the proportion equation
   72.95 : 112.96 = 112.96 : x
2. Step 2: Convert to fraction form
   72.95/112.96 = 112.96/x
3. Step 3: Cross multiply
   72.95x = 112.96 × 112.96
4. Step 4: Simplify right side
   72.95x = 12,760.17
5. Step 5: Solve for x
   x = 12,760.17/72.95
6. Step 6: Final answer
   x = 174.91