Finding the Third Proportional to 11,731.50 and 18,317.25

Step by Step Solution

1. Step 1: Write the proportion equation
   11,731.50 : 18,317.25 = 18,317.25 : x
2. Step 2: Convert to fraction form
   11,731.50/18,317.25 = 18,317.25/x
3. Step 3: Cross multiply
   11,731.50x = 18,317.25 × 18,317.25
4. Step 4: Simplify right side
   11,731.50x = 335,521,647.56
5. Step 5: Solve for x
   x = 335,521,647.56/11,731.50
6. Step 6: Final answer
   x = 28,600.06