Finding the Third Proportional to 2,469.23 and 5,242.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,469.23 : 5,242.22 = 5,242.22 : x
2. Step 2: Convert to fraction form
   2,469.23/5,242.22 = 5,242.22/x
3. Step 3: Cross multiply
   2,469.23x = 5,242.22 × 5,242.22
4. Step 4: Simplify right side
   2,469.23x = 27,480,857.42
5. Step 5: Solve for x
   x = 27,480,857.42/2,469.23
6. Step 6: Final answer
   x = 11,129.30