Finding the Third Proportional to 11,550.50 and 18,601.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,550.50 : 18,601.50 = 18,601.50 : x
2. Step 2: Convert to fraction form
   11,550.50/18,601.50 = 18,601.50/x
3. Step 3: Cross multiply
   11,550.50x = 18,601.50 × 18,601.50
4. Step 4: Simplify right side
   11,550.50x = 346,015,802.25
5. Step 5: Solve for x
   x = 346,015,802.25/11,550.50
6. Step 6: Final answer
   x = 29,956.78