Finding the Third Proportional to 16,205.06 and 21,918.09

Step by Step Solution

1. Step 1: Write the proportion equation
   16,205.06 : 21,918.09 = 21,918.09 : x
2. Step 2: Convert to fraction form
   16,205.06/21,918.09 = 21,918.09/x
3. Step 3: Cross multiply
   16,205.06x = 21,918.09 × 21,918.09
4. Step 4: Simplify right side
   16,205.06x = 480,402,833.63
5. Step 5: Solve for x
   x = 480,402,833.63/16,205.06
6. Step 6: Final answer
   x = 29,645.23