Finding the Third Proportional to 11,819.25 and 18,106.88

Step by Step Solution

1. Step 1: Write the proportion equation
   11,819.25 : 18,106.88 = 18,106.88 : x
2. Step 2: Convert to fraction form
   11,819.25/18,106.88 = 18,106.88/x
3. Step 3: Cross multiply
   11,819.25x = 18,106.88 × 18,106.88
4. Step 4: Simplify right side
   11,819.25x = 327,858,922.27
5. Step 5: Solve for x
   x = 327,858,922.27/11,819.25
6. Step 6: Final answer
   x = 27,739.40