Finding the Third Proportional to 17,667.49 and 27,321.36

Step by Step Solution

1. Step 1: Write the proportion equation
   17,667.49 : 27,321.36 = 27,321.36 : x
2. Step 2: Convert to fraction form
   17,667.49/27,321.36 = 27,321.36/x
3. Step 3: Cross multiply
   17,667.49x = 27,321.36 × 27,321.36
4. Step 4: Simplify right side
   17,667.49x = 746,456,891.55
5. Step 5: Solve for x
   x = 746,456,891.55/17,667.49
6. Step 6: Final answer
   x = 42,250.30