Finding the Third Proportional to 17.33 and 37.90

Step by Step Solution

1. Step 1: Write the proportion equation
   17.33 : 37.90 = 37.90 : x
2. Step 2: Convert to fraction form
   17.33/37.90 = 37.90/x
3. Step 3: Cross multiply
   17.33x = 37.90 × 37.90
4. Step 4: Simplify right side
   17.33x = 1,436.29
5. Step 5: Solve for x
   x = 1,436.29/17.33
6. Step 6: Final answer
   x = 82.87