Finding the Third Proportional to 2,236.36 and 5,308.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,236.36 : 5,308.03 = 5,308.03 : x
2. Step 2: Convert to fraction form
   2,236.36/5,308.03 = 5,308.03/x
3. Step 3: Cross multiply
   2,236.36x = 5,308.03 × 5,308.03
4. Step 4: Simplify right side
   2,236.36x = 28,175,195.75
5. Step 5: Solve for x
   x = 28,175,195.75/2,236.36
6. Step 6: Final answer
   x = 12,598.69