Finding the Third Proportional to 2,403 and 5,513.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,403 : 5,513.06 = 5,513.06 : x
2. Step 2: Convert to fraction form
   2,403/5,513.06 = 5,513.06/x
3. Step 3: Cross multiply
   2,403x = 5,513.06 × 5,513.06
4. Step 4: Simplify right side
   2,403x = 30,393,858.13
5. Step 5: Solve for x
   x = 30,393,858.13/2,403
6. Step 6: Final answer
   x = 12,648.30