Finding the Third Proportional to 8,059.88 and 12,328.31

Step by Step Solution

1. Step 1: Write the proportion equation
   8,059.88 : 12,328.31 = 12,328.31 : x
2. Step 2: Convert to fraction form
   8,059.88/12,328.31 = 12,328.31/x
3. Step 3: Cross multiply
   8,059.88x = 12,328.31 × 12,328.31
4. Step 4: Simplify right side
   8,059.88x = 151,987,289.10
5. Step 5: Solve for x
   x = 151,987,289.10/8,059.88
6. Step 6: Final answer
   x = 18,857.28