Finding the Third Proportional to 10,478 and 16,081.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,478 : 16,081.50 = 16,081.50 : x
2. Step 2: Convert to fraction form
   10,478/16,081.50 = 16,081.50/x
3. Step 3: Cross multiply
   10,478x = 16,081.50 × 16,081.50
4. Step 4: Simplify right side
   10,478x = 258,614,642.25
5. Step 5: Solve for x
   x = 258,614,642.25/10,478
6. Step 6: Final answer
   x = 24,681.68