Finding the Third Proportional to 13,125.80 and 21,900.38

Step by Step Solution

1. Step 1: Write the proportion equation
   13,125.80 : 21,900.38 = 21,900.38 : x
2. Step 2: Convert to fraction form
   13,125.80/21,900.38 = 21,900.38/x
3. Step 3: Cross multiply
   13,125.80x = 21,900.38 × 21,900.38
4. Step 4: Simplify right side
   13,125.80x = 479,626,425.14
5. Step 5: Solve for x
   x = 479,626,425.14/13,125.80
6. Step 6: Final answer
   x = 36,540.75