Finding the Third Proportional to 13,648.50 and 20,548.69

Step by Step Solution

1. Step 1: Write the proportion equation
   13,648.50 : 20,548.69 = 20,548.69 : x
2. Step 2: Convert to fraction form
   13,648.50/20,548.69 = 20,548.69/x
3. Step 3: Cross multiply
   13,648.50x = 20,548.69 × 20,548.69
4. Step 4: Simplify right side
   13,648.50x = 422,248,557.97
5. Step 5: Solve for x
   x = 422,248,557.97/13,648.50
6. Step 6: Final answer
   x = 30,937.36