Finding the Third Proportional to 16,221 and 33,657

Step by Step Solution

1. Step 1: Write the proportion equation
   16,221 : 33,657 = 33,657 : x
2. Step 2: Convert to fraction form
   16,221/33,657 = 33,657/x
3. Step 3: Cross multiply
   16,221x = 33,657 × 33,657
4. Step 4: Simplify right side
   16,221x = 1,132,793,649
5. Step 5: Solve for x
   x = 1,132,793,649/16,221
6. Step 6: Final answer
   x = 69,835.01