Finding the Third Proportional to 14,272 and 20,850

Step by Step Solution

1. Step 1: Write the proportion equation
   14,272 : 20,850 = 20,850 : x
2. Step 2: Convert to fraction form
   14,272/20,850 = 20,850/x
3. Step 3: Cross multiply
   14,272x = 20,850 × 20,850
4. Step 4: Simplify right side
   14,272x = 434,722,500
5. Step 5: Solve for x
   x = 434,722,500/14,272
6. Step 6: Final answer
   x = 30,459.82