Finding the Third Proportional to 11,938.09 and 16,256.56

Step by Step Solution

1. Step 1: Write the proportion equation
   11,938.09 : 16,256.56 = 16,256.56 : x
2. Step 2: Convert to fraction form
   11,938.09/16,256.56 = 16,256.56/x
3. Step 3: Cross multiply
   11,938.09x = 16,256.56 × 16,256.56
4. Step 4: Simplify right side
   11,938.09x = 264,275,665.56
5. Step 5: Solve for x
   x = 264,275,665.56/11,938.09
6. Step 6: Final answer
   x = 22,137.19