Finding the Third Proportional to 12,019 and 17,928.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,019 : 17,928.50 = 17,928.50 : x
2. Step 2: Convert to fraction form
   12,019/17,928.50 = 17,928.50/x
3. Step 3: Cross multiply
   12,019x = 17,928.50 × 17,928.50
4. Step 4: Simplify right side
   12,019x = 321,431,112.25
5. Step 5: Solve for x
   x = 321,431,112.25/12,019
6. Step 6: Final answer
   x = 26,743.58