Finding the Third Proportional to 2,192.50 and 5,229.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,192.50 : 5,229.25 = 5,229.25 : x
2. Step 2: Convert to fraction form
   2,192.50/5,229.25 = 5,229.25/x
3. Step 3: Cross multiply
   2,192.50x = 5,229.25 × 5,229.25
4. Step 4: Simplify right side
   2,192.50x = 27,345,055.56
5. Step 5: Solve for x
   x = 27,345,055.56/2,192.50
6. Step 6: Final answer
   x = 12,472.09