Finding the Third Proportional to 113.06 and 187.17

Step by Step Solution

1. Step 1: Write the proportion equation
   113.06 : 187.17 = 187.17 : x
2. Step 2: Convert to fraction form
   113.06/187.17 = 187.17/x
3. Step 3: Cross multiply
   113.06x = 187.17 × 187.17
4. Step 4: Simplify right side
   113.06x = 35,033.31
5. Step 5: Solve for x
   x = 35,033.31/113.06
6. Step 6: Final answer
   x = 309.86