Finding the Third Proportional to 29.31 and 57.12

Step by Step Solution

1. Step 1: Write the proportion equation
   29.31 : 57.12 = 57.12 : x
2. Step 2: Convert to fraction form
   29.31/57.12 = 57.12/x
3. Step 3: Cross multiply
   29.31x = 57.12 × 57.12
4. Step 4: Simplify right side
   29.31x = 3,262.71
5. Step 5: Solve for x
   x = 3,262.71/29.31
6. Step 6: Final answer
   x = 111.31