Finding the Third Proportional to 11,339.37 and 18,011.43

Step by Step Solution

1. Step 1: Write the proportion equation
   11,339.37 : 18,011.43 = 18,011.43 : x
2. Step 2: Convert to fraction form
   11,339.37/18,011.43 = 18,011.43/x
3. Step 3: Cross multiply
   11,339.37x = 18,011.43 × 18,011.43
4. Step 4: Simplify right side
   11,339.37x = 324,411,458.67
5. Step 5: Solve for x
   x = 324,411,458.67/11,339.37
6. Step 6: Final answer
   x = 28,609.31