Finding the Third Proportional to 18,554.06 and 21,105.56

Step by Step Solution

1. Step 1: Write the proportion equation
   18,554.06 : 21,105.56 = 21,105.56 : x
2. Step 2: Convert to fraction form
   18,554.06/21,105.56 = 21,105.56/x
3. Step 3: Cross multiply
   18,554.06x = 21,105.56 × 21,105.56
4. Step 4: Simplify right side
   18,554.06x = 445,444,768.44
5. Step 5: Solve for x
   x = 445,444,768.44/18,554.06
6. Step 6: Final answer
   x = 24,007.94