Finding the Third Proportional to 2,405.32 and 5,258.67

Step by Step Solution

1. Step 1: Write the proportion equation
   2,405.32 : 5,258.67 = 5,258.67 : x
2. Step 2: Convert to fraction form
   2,405.32/5,258.67 = 5,258.67/x
3. Step 3: Cross multiply
   2,405.32x = 5,258.67 × 5,258.67
4. Step 4: Simplify right side
   2,405.32x = 27,653,629.89
5. Step 5: Solve for x
   x = 27,653,629.89/2,405.32
6. Step 6: Final answer
   x = 11,496.86