Finding the Third Proportional to 13,356 and 19,086.75

Step by Step Solution

1. Step 1: Write the proportion equation
   13,356 : 19,086.75 = 19,086.75 : x
2. Step 2: Convert to fraction form
   13,356/19,086.75 = 19,086.75/x
3. Step 3: Cross multiply
   13,356x = 19,086.75 × 19,086.75
4. Step 4: Simplify right side
   13,356x = 364,304,025.56
5. Step 5: Solve for x
   x = 364,304,025.56/13,356
6. Step 6: Final answer
   x = 27,276.43