Finding the Third Proportional to 112.22 and 164.32

Step by Step Solution

1. Step 1: Write the proportion equation
   112.22 : 164.32 = 164.32 : x
2. Step 2: Convert to fraction form
   112.22/164.32 = 164.32/x
3. Step 3: Cross multiply
   112.22x = 164.32 × 164.32
4. Step 4: Simplify right side
   112.22x = 27,001.17
5. Step 5: Solve for x
   x = 27,001.17/112.22
6. Step 6: Final answer
   x = 240.61