Finding the Third Proportional to 2,463.19 and 5,290.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,463.19 : 5,290.88 = 5,290.88 : x
2. Step 2: Convert to fraction form
   2,463.19/5,290.88 = 5,290.88/x
3. Step 3: Cross multiply
   2,463.19x = 5,290.88 × 5,290.88
4. Step 4: Simplify right side
   2,463.19x = 27,993,358.27
5. Step 5: Solve for x
   x = 27,993,358.27/2,463.19
6. Step 6: Final answer
   x = 11,364.69