Finding the Third Proportional to 20,709 and 33,313.50

Step by Step Solution

1. Step 1: Write the proportion equation
   20,709 : 33,313.50 = 33,313.50 : x
2. Step 2: Convert to fraction form
   20,709/33,313.50 = 33,313.50/x
3. Step 3: Cross multiply
   20,709x = 33,313.50 × 33,313.50
4. Step 4: Simplify right side
   20,709x = 1,109,789,282.25
5. Step 5: Solve for x
   x = 1,109,789,282.25/20,709
6. Step 6: Final answer
   x = 53,589.71