Finding the Third Proportional to 12,721.50 and 17,037

Step by Step Solution

1. Step 1: Write the proportion equation
   12,721.50 : 17,037 = 17,037 : x
2. Step 2: Convert to fraction form
   12,721.50/17,037 = 17,037/x
3. Step 3: Cross multiply
   12,721.50x = 17,037 × 17,037
4. Step 4: Simplify right side
   12,721.50x = 290,259,369
5. Step 5: Solve for x
   x = 290,259,369/12,721.50
6. Step 6: Final answer
   x = 22,816.44