Finding the Third Proportional to 16,176.38 and 21,738.38

Step by Step Solution

1. Step 1: Write the proportion equation
   16,176.38 : 21,738.38 = 21,738.38 : x
2. Step 2: Convert to fraction form
   16,176.38/21,738.38 = 21,738.38/x
3. Step 3: Cross multiply
   16,176.38x = 21,738.38 × 21,738.38
4. Step 4: Simplify right side
   16,176.38x = 472,556,947.64
5. Step 5: Solve for x
   x = 472,556,947.64/16,176.38
6. Step 6: Final answer
   x = 29,212.78