Finding the Third Proportional to 13,440.25 and 20,896.38

Step by Step Solution

1. Step 1: Write the proportion equation
   13,440.25 : 20,896.38 = 20,896.38 : x
2. Step 2: Convert to fraction form
   13,440.25/20,896.38 = 20,896.38/x
3. Step 3: Cross multiply
   13,440.25x = 20,896.38 × 20,896.38
4. Step 4: Simplify right side
   13,440.25x = 436,658,488.14
5. Step 5: Solve for x
   x = 436,658,488.14/13,440.25
6. Step 6: Final answer
   x = 32,488.87