Finding the Third Proportional to 13,109.25 and 18,529.50

Step by Step Solution

1. Step 1: Write the proportion equation
   13,109.25 : 18,529.50 = 18,529.50 : x
2. Step 2: Convert to fraction form
   13,109.25/18,529.50 = 18,529.50/x
3. Step 3: Cross multiply
   13,109.25x = 18,529.50 × 18,529.50
4. Step 4: Simplify right side
   13,109.25x = 343,342,370.25
5. Step 5: Solve for x
   x = 343,342,370.25/13,109.25
6. Step 6: Final answer
   x = 26,190.85