Finding the Third Proportional to 2,288.19 and 5,021.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,288.19 : 5,021.88 = 5,021.88 : x
2. Step 2: Convert to fraction form
   2,288.19/5,021.88 = 5,021.88/x
3. Step 3: Cross multiply
   2,288.19x = 5,021.88 × 5,021.88
4. Step 4: Simplify right side
   2,288.19x = 25,219,228.52
5. Step 5: Solve for x
   x = 25,219,228.52/2,288.19
6. Step 6: Final answer
   x = 11,021.49