Finding the Third Proportional to 22.17 and 37.81

Step by Step Solution

1. Step 1: Write the proportion equation
   22.17 : 37.81 = 37.81 : x
2. Step 2: Convert to fraction form
   22.17/37.81 = 37.81/x
3. Step 3: Cross multiply
   22.17x = 37.81 × 37.81
4. Step 4: Simplify right side
   22.17x = 1,429.39
5. Step 5: Solve for x
   x = 1,429.39/22.17
6. Step 6: Final answer
   x = 64.47