Finding the Third Proportional to 15,242.06 and 18,010.69

Step by Step Solution

1. Step 1: Write the proportion equation
   15,242.06 : 18,010.69 = 18,010.69 : x
2. Step 2: Convert to fraction form
   15,242.06/18,010.69 = 18,010.69/x
3. Step 3: Cross multiply
   15,242.06x = 18,010.69 × 18,010.69
4. Step 4: Simplify right side
   15,242.06x = 324,384,864.22
5. Step 5: Solve for x
   x = 324,384,864.22/15,242.06
6. Step 6: Final answer
   x = 21,282.22