Finding the Third Proportional to 11,662.88 and 18,009.56

Step by Step Solution

1. Step 1: Write the proportion equation
   11,662.88 : 18,009.56 = 18,009.56 : x
2. Step 2: Convert to fraction form
   11,662.88/18,009.56 = 18,009.56/x
3. Step 3: Cross multiply
   11,662.88x = 18,009.56 × 18,009.56
4. Step 4: Simplify right side
   11,662.88x = 324,344,341.44
5. Step 5: Solve for x
   x = 324,344,341.44/11,662.88
6. Step 6: Final answer
   x = 27,809.98