Finding the Third Proportional to 8,813.25 and 13,381.88

Step by Step Solution

1. Step 1: Write the proportion equation
   8,813.25 : 13,381.88 = 13,381.88 : x
2. Step 2: Convert to fraction form
   8,813.25/13,381.88 = 13,381.88/x
3. Step 3: Cross multiply
   8,813.25x = 13,381.88 × 13,381.88
4. Step 4: Simplify right side
   8,813.25x = 179,074,578.52
5. Step 5: Solve for x
   x = 179,074,578.52/8,813.25
6. Step 6: Final answer
   x = 20,318.79