Finding the Third Proportional to 12,224.75 and 21,904.75

Step by Step Solution

1. Step 1: Write the proportion equation
   12,224.75 : 21,904.75 = 21,904.75 : x
2. Step 2: Convert to fraction form
   12,224.75/21,904.75 = 21,904.75/x
3. Step 3: Cross multiply
   12,224.75x = 21,904.75 × 21,904.75
4. Step 4: Simplify right side
   12,224.75x = 479,818,072.56
5. Step 5: Solve for x
   x = 479,818,072.56/12,224.75
6. Step 6: Final answer
   x = 39,249.72