Finding the Third Proportional to 11,306.63 and 16,621.31

Step by Step Solution

1. Step 1: Write the proportion equation
   11,306.63 : 16,621.31 = 16,621.31 : x
2. Step 2: Convert to fraction form
   11,306.63/16,621.31 = 16,621.31/x
3. Step 3: Cross multiply
   11,306.63x = 16,621.31 × 16,621.31
4. Step 4: Simplify right side
   11,306.63x = 276,268,029.22
5. Step 5: Solve for x
   x = 276,268,029.22/11,306.63
6. Step 6: Final answer
   x = 24,434.17