Finding the Third Proportional to 8,179.73 and 12,973.29

Step by Step Solution

1. Step 1: Write the proportion equation
   8,179.73 : 12,973.29 = 12,973.29 : x
2. Step 2: Convert to fraction form
   8,179.73/12,973.29 = 12,973.29/x
3. Step 3: Cross multiply
   8,179.73x = 12,973.29 × 12,973.29
4. Step 4: Simplify right side
   8,179.73x = 168,306,229.10
5. Step 5: Solve for x
   x = 168,306,229.10/8,179.73
6. Step 6: Final answer
   x = 20,576.00