Finding the Third Proportional to 2,288.81 and 3,433.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,288.81 : 3,433.78 = 3,433.78 : x
2. Step 2: Convert to fraction form
   2,288.81/3,433.78 = 3,433.78/x
3. Step 3: Cross multiply
   2,288.81x = 3,433.78 × 3,433.78
4. Step 4: Simplify right side
   2,288.81x = 11,790,853.67
5. Step 5: Solve for x
   x = 11,790,853.67/2,288.81
6. Step 6: Final answer
   x = 5,151.52