Finding the Third Proportional to 16,080 and 21,904

Step by Step Solution

1. Step 1: Write the proportion equation
   16,080 : 21,904 = 21,904 : x
2. Step 2: Convert to fraction form
   16,080/21,904 = 21,904/x
3. Step 3: Cross multiply
   16,080x = 21,904 × 21,904
4. Step 4: Simplify right side
   16,080x = 479,785,216
5. Step 5: Solve for x
   x = 479,785,216/16,080
6. Step 6: Final answer
   x = 29,837.39