Finding the Third Proportional to 31.72 and 43.75

Step by Step Solution

1. Step 1: Write the proportion equation
   31.72 : 43.75 = 43.75 : x
2. Step 2: Convert to fraction form
   31.72/43.75 = 43.75/x
3. Step 3: Cross multiply
   31.72x = 43.75 × 43.75
4. Step 4: Simplify right side
   31.72x = 1,914.06
5. Step 5: Solve for x
   x = 1,914.06/31.72
6. Step 6: Final answer
   x = 60.34