Finding the Third Proportional to 11,662.31 and 18,241.88

Step by Step Solution

1. Step 1: Write the proportion equation
   11,662.31 : 18,241.88 = 18,241.88 : x
2. Step 2: Convert to fraction form
   11,662.31/18,241.88 = 18,241.88/x
3. Step 3: Cross multiply
   11,662.31x = 18,241.88 × 18,241.88
4. Step 4: Simplify right side
   11,662.31x = 332,766,003.52
5. Step 5: Solve for x
   x = 332,766,003.52/11,662.31
6. Step 6: Final answer
   x = 28,533.45