Finding the Third Proportional to 16,776 and 33,128

Step by Step Solution

1. Step 1: Write the proportion equation
   16,776 : 33,128 = 33,128 : x
2. Step 2: Convert to fraction form
   16,776/33,128 = 33,128/x
3. Step 3: Cross multiply
   16,776x = 33,128 × 33,128
4. Step 4: Simplify right side
   16,776x = 1,097,464,384
5. Step 5: Solve for x
   x = 1,097,464,384/16,776
6. Step 6: Final answer
   x = 65,418.72