Finding the Third Proportional to 16,128 and 25,212

Step by Step Solution

1. Step 1: Write the proportion equation
   16,128 : 25,212 = 25,212 : x
2. Step 2: Convert to fraction form
   16,128/25,212 = 25,212/x
3. Step 3: Cross multiply
   16,128x = 25,212 × 25,212
4. Step 4: Simplify right side
   16,128x = 635,644,944
5. Step 5: Solve for x
   x = 635,644,944/16,128
6. Step 6: Final answer
   x = 39,412.51