Finding the Third Proportional to 6,443.25 and 13,730.25

Step by Step Solution

1. Step 1: Write the proportion equation
   6,443.25 : 13,730.25 = 13,730.25 : x
2. Step 2: Convert to fraction form
   6,443.25/13,730.25 = 13,730.25/x
3. Step 3: Cross multiply
   6,443.25x = 13,730.25 × 13,730.25
4. Step 4: Simplify right side
   6,443.25x = 188,519,765.06
5. Step 5: Solve for x
   x = 188,519,765.06/6,443.25
6. Step 6: Final answer
   x = 29,258.49