Finding the Third Proportional to 11,896.50 and 18,445.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,896.50 : 18,445.50 = 18,445.50 : x
2. Step 2: Convert to fraction form
   11,896.50/18,445.50 = 18,445.50/x
3. Step 3: Cross multiply
   11,896.50x = 18,445.50 × 18,445.50
4. Step 4: Simplify right side
   11,896.50x = 340,236,470.25
5. Step 5: Solve for x
   x = 340,236,470.25/11,896.50
6. Step 6: Final answer
   x = 28,599.71