Finding the Third Proportional to 116.72 and 140.44

Step by Step Solution

1. Step 1: Write the proportion equation
   116.72 : 140.44 = 140.44 : x
2. Step 2: Convert to fraction form
   116.72/140.44 = 140.44/x
3. Step 3: Cross multiply
   116.72x = 140.44 × 140.44
4. Step 4: Simplify right side
   116.72x = 19,722.69
5. Step 5: Solve for x
   x = 19,722.69/116.72
6. Step 6: Final answer
   x = 168.98