Finding the Third Proportional to 7,221 and 16,081.50

Step by Step Solution

1. Step 1: Write the proportion equation
   7,221 : 16,081.50 = 16,081.50 : x
2. Step 2: Convert to fraction form
   7,221/16,081.50 = 16,081.50/x
3. Step 3: Cross multiply
   7,221x = 16,081.50 × 16,081.50
4. Step 4: Simplify right side
   7,221x = 258,614,642.25
5. Step 5: Solve for x
   x = 258,614,642.25/7,221
6. Step 6: Final answer
   x = 35,814.24