Finding the Third Proportional to 5,433.33 and 11,789.30

Step by Step Solution

1. Step 1: Write the proportion equation
   5,433.33 : 11,789.30 = 11,789.30 : x
2. Step 2: Convert to fraction form
   5,433.33/11,789.30 = 11,789.30/x
3. Step 3: Cross multiply
   5,433.33x = 11,789.30 × 11,789.30
4. Step 4: Simplify right side
   5,433.33x = 138,987,520.81
5. Step 5: Solve for x
   x = 138,987,520.81/5,433.33
6. Step 6: Final answer
   x = 25,580.55