Finding the Third Proportional to 13,866.19 and 21,144.80

Step by Step Solution

1. Step 1: Write the proportion equation
   13,866.19 : 21,144.80 = 21,144.80 : x
2. Step 2: Convert to fraction form
   13,866.19/21,144.80 = 21,144.80/x
3. Step 3: Cross multiply
   13,866.19x = 21,144.80 × 21,144.80
4. Step 4: Simplify right side
   13,866.19x = 447,102,434.89
5. Step 5: Solve for x
   x = 447,102,434.89/13,866.19
6. Step 6: Final answer
   x = 32,244.08