Finding the Third Proportional to 2,549.81 and 5,357.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,549.81 : 5,357.81 = 5,357.81 : x
2. Step 2: Convert to fraction form
   2,549.81/5,357.81 = 5,357.81/x
3. Step 3: Cross multiply
   2,549.81x = 5,357.81 × 5,357.81
4. Step 4: Simplify right side
   2,549.81x = 28,706,154.79
5. Step 5: Solve for x
   x = 28,706,154.79/2,549.81
6. Step 6: Final answer
   x = 11,258.14