Finding the Third Proportional to 11,306 and 16,620.31

Step by Step Solution

1. Step 1: Write the proportion equation
   11,306 : 16,620.31 = 16,620.31 : x
2. Step 2: Convert to fraction form
   11,306/16,620.31 = 16,620.31/x
3. Step 3: Cross multiply
   11,306x = 16,620.31 × 16,620.31
4. Step 4: Simplify right side
   11,306x = 276,234,787.60
5. Step 5: Solve for x
   x = 276,234,787.60/11,306
6. Step 6: Final answer
   x = 24,432.58