Finding the Third Proportional to 8,373.56 and 12,959.81

Step by Step Solution

1. Step 1: Write the proportion equation
   8,373.56 : 12,959.81 = 12,959.81 : x
2. Step 2: Convert to fraction form
   8,373.56/12,959.81 = 12,959.81/x
3. Step 3: Cross multiply
   8,373.56x = 12,959.81 × 12,959.81
4. Step 4: Simplify right side
   8,373.56x = 167,956,740.04
5. Step 5: Solve for x
   x = 167,956,740.04/8,373.56
6. Step 6: Final answer
   x = 20,057.98