Finding the Third Proportional to 13,520.67 and 21,243.52

Step by Step Solution

1. Step 1: Write the proportion equation
   13,520.67 : 21,243.52 = 21,243.52 : x
2. Step 2: Convert to fraction form
   13,520.67/21,243.52 = 21,243.52/x
3. Step 3: Cross multiply
   13,520.67x = 21,243.52 × 21,243.52
4. Step 4: Simplify right side
   13,520.67x = 451,286,956.11
5. Step 5: Solve for x
   x = 451,286,956.11/13,520.67
6. Step 6: Final answer
   x = 33,377.55