Finding the Third Proportional to 13,356 and 20,947.50

Step by Step Solution

1. Step 1: Write the proportion equation
   13,356 : 20,947.50 = 20,947.50 : x
2. Step 2: Convert to fraction form
   13,356/20,947.50 = 20,947.50/x
3. Step 3: Cross multiply
   13,356x = 20,947.50 × 20,947.50
4. Step 4: Simplify right side
   13,356x = 438,797,756.25
5. Step 5: Solve for x
   x = 438,797,756.25/13,356
6. Step 6: Final answer
   x = 32,853.98