Finding the Third Proportional to 16,571.25 and 36,421.31

Step by Step Solution

1. Step 1: Write the proportion equation
   16,571.25 : 36,421.31 = 36,421.31 : x
2. Step 2: Convert to fraction form
   16,571.25/36,421.31 = 36,421.31/x
3. Step 3: Cross multiply
   16,571.25x = 36,421.31 × 36,421.31
4. Step 4: Simplify right side
   16,571.25x = 1,326,512,004.22
5. Step 5: Solve for x
   x = 1,326,512,004.22/16,571.25
6. Step 6: Final answer
   x = 80,049.00