Finding the Third Proportional to 92.44 and 139.59

Step by Step Solution

1. Step 1: Write the proportion equation
   92.44 : 139.59 = 139.59 : x
2. Step 2: Convert to fraction form
   92.44/139.59 = 139.59/x
3. Step 3: Cross multiply
   92.44x = 139.59 × 139.59
4. Step 4: Simplify right side
   92.44x = 19,486.42
5. Step 5: Solve for x
   x = 19,486.42/92.44
6. Step 6: Final answer
   x = 210.81