Finding the Third Proportional to 16,767 and 20,371.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,767 : 20,371.50 = 20,371.50 : x
2. Step 2: Convert to fraction form
   16,767/20,371.50 = 20,371.50/x
3. Step 3: Cross multiply
   16,767x = 20,371.50 × 20,371.50
4. Step 4: Simplify right side
   16,767x = 414,998,012.25
5. Step 5: Solve for x
   x = 414,998,012.25/16,767
6. Step 6: Final answer
   x = 24,750.88