Finding the Third Proportional to 15,279.75 and 20,100.09

Step by Step Solution

1. Step 1: Write the proportion equation
   15,279.75 : 20,100.09 = 20,100.09 : x
2. Step 2: Convert to fraction form
   15,279.75/20,100.09 = 20,100.09/x
3. Step 3: Cross multiply
   15,279.75x = 20,100.09 × 20,100.09
4. Step 4: Simplify right side
   15,279.75x = 404,013,768.76
5. Step 5: Solve for x
   x = 404,013,768.76/15,279.75
6. Step 6: Final answer
   x = 26,441.12