Finding the Third Proportional to 11,787.75 and 18,091.69

Step by Step Solution

1. Step 1: Write the proportion equation
   11,787.75 : 18,091.69 = 18,091.69 : x
2. Step 2: Convert to fraction form
   11,787.75/18,091.69 = 18,091.69/x
3. Step 3: Cross multiply
   11,787.75x = 18,091.69 × 18,091.69
4. Step 4: Simplify right side
   11,787.75x = 327,309,156.60
5. Step 5: Solve for x
   x = 327,309,156.60/11,787.75
6. Step 6: Final answer
   x = 27,766.89