Finding the Third Proportional to 11,900.25 and 18,103.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,900.25 : 18,103.50 = 18,103.50 : x
2. Step 2: Convert to fraction form
   11,900.25/18,103.50 = 18,103.50/x
3. Step 3: Cross multiply
   11,900.25x = 18,103.50 × 18,103.50
4. Step 4: Simplify right side
   11,900.25x = 327,736,712.25
5. Step 5: Solve for x
   x = 327,736,712.25/11,900.25
6. Step 6: Final answer
   x = 27,540.32