Finding the Third Proportional to 16,259 and 21,958

Step by Step Solution

1. Step 1: Write the proportion equation
   16,259 : 21,958 = 21,958 : x
2. Step 2: Convert to fraction form
   16,259/21,958 = 21,958/x
3. Step 3: Cross multiply
   16,259x = 21,958 × 21,958
4. Step 4: Simplify right side
   16,259x = 482,153,764
5. Step 5: Solve for x
   x = 482,153,764/16,259
6. Step 6: Final answer
   x = 29,654.58