Finding the Third Proportional to 2,385.28 and 5,229.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,385.28 : 5,229.98 = 5,229.98 : x
2. Step 2: Convert to fraction form
   2,385.28/5,229.98 = 5,229.98/x
3. Step 3: Cross multiply
   2,385.28x = 5,229.98 × 5,229.98
4. Step 4: Simplify right side
   2,385.28x = 27,352,736.56
5. Step 5: Solve for x
   x = 27,352,736.56/2,385.28
6. Step 6: Final answer
   x = 11,467.30