Finding the Third Proportional to 8,182.25 and 12,799.88

Step by Step Solution

1. Step 1: Write the proportion equation
   8,182.25 : 12,799.88 = 12,799.88 : x
2. Step 2: Convert to fraction form
   8,182.25/12,799.88 = 12,799.88/x
3. Step 3: Cross multiply
   8,182.25x = 12,799.88 × 12,799.88
4. Step 4: Simplify right side
   8,182.25x = 163,836,800.02
5. Step 5: Solve for x
   x = 163,836,800.02/8,182.25
6. Step 6: Final answer
   x = 20,023.44