Finding the Third Proportional to 10,217.25 and 13,730.34

Step by Step Solution

1. Step 1: Write the proportion equation
   10,217.25 : 13,730.34 = 13,730.34 : x
2. Step 2: Convert to fraction form
   10,217.25/13,730.34 = 13,730.34/x
3. Step 3: Cross multiply
   10,217.25x = 13,730.34 × 13,730.34
4. Step 4: Simplify right side
   10,217.25x = 188,522,339.49
5. Step 5: Solve for x
   x = 188,522,339.49/10,217.25
6. Step 6: Final answer
   x = 18,451.38