Finding the Third Proportional to 13,713.05 and 20,479.92

Step by Step Solution

1. Step 1: Write the proportion equation
   13,713.05 : 20,479.92 = 20,479.92 : x
2. Step 2: Convert to fraction form
   13,713.05/20,479.92 = 20,479.92/x
3. Step 3: Cross multiply
   13,713.05x = 20,479.92 × 20,479.92
4. Step 4: Simplify right side
   13,713.05x = 419,427,200.01
5. Step 5: Solve for x
   x = 419,427,200.01/13,713.05
6. Step 6: Final answer
   x = 30,586.00