Finding the Third Proportional to 14,371.50 and 20,998.50

Step by Step Solution

1. Step 1: Write the proportion equation
   14,371.50 : 20,998.50 = 20,998.50 : x
2. Step 2: Convert to fraction form
   14,371.50/20,998.50 = 20,998.50/x
3. Step 3: Cross multiply
   14,371.50x = 20,998.50 × 20,998.50
4. Step 4: Simplify right side
   14,371.50x = 440,937,002.25
5. Step 5: Solve for x
   x = 440,937,002.25/14,371.50
6. Step 6: Final answer
   x = 30,681.35