Finding the Third Proportional to 17.50 and 36.06

Step by Step Solution

1. Step 1: Write the proportion equation
   17.50 : 36.06 = 36.06 : x
2. Step 2: Convert to fraction form
   17.50/36.06 = 36.06/x
3. Step 3: Cross multiply
   17.50x = 36.06 × 36.06
4. Step 4: Simplify right side
   17.50x = 1,300.50
5. Step 5: Solve for x
   x = 1,300.50/17.50
6. Step 6: Final answer
   x = 74.31