Finding the Third Proportional to 50.31 and 109.22

Step by Step Solution

1. Step 1: Write the proportion equation
   50.31 : 109.22 = 109.22 : x
2. Step 2: Convert to fraction form
   50.31/109.22 = 109.22/x
3. Step 3: Cross multiply
   50.31x = 109.22 × 109.22
4. Step 4: Simplify right side
   50.31x = 11,928.74
5. Step 5: Solve for x
   x = 11,928.74/50.31
6. Step 6: Final answer
   x = 237.09