Finding the Third Proportional to 16,146 and 21,807

Step by Step Solution

1. Step 1: Write the proportion equation
   16,146 : 21,807 = 21,807 : x
2. Step 2: Convert to fraction form
   16,146/21,807 = 21,807/x
3. Step 3: Cross multiply
   16,146x = 21,807 × 21,807
4. Step 4: Simplify right side
   16,146x = 475,545,249
5. Step 5: Solve for x
   x = 475,545,249/16,146
6. Step 6: Final answer
   x = 29,452.82