Finding the Third Proportional to 13,133.81 and 20,349.56

Step by Step Solution

1. Step 1: Write the proportion equation
   13,133.81 : 20,349.56 = 20,349.56 : x
2. Step 2: Convert to fraction form
   13,133.81/20,349.56 = 20,349.56/x
3. Step 3: Cross multiply
   13,133.81x = 20,349.56 × 20,349.56
4. Step 4: Simplify right side
   13,133.81x = 414,104,693.94
5. Step 5: Solve for x
   x = 414,104,693.94/13,133.81
6. Step 6: Final answer
   x = 31,529.66