Finding the Third Proportional to 13,380.75 and 27,129.38

Step by Step Solution

1. Step 1: Write the proportion equation
   13,380.75 : 27,129.38 = 27,129.38 : x
2. Step 2: Convert to fraction form
   13,380.75/27,129.38 = 27,129.38/x
3. Step 3: Cross multiply
   13,380.75x = 27,129.38 × 27,129.38
4. Step 4: Simplify right side
   13,380.75x = 736,002,987.89
5. Step 5: Solve for x
   x = 736,002,987.89/13,380.75
6. Step 6: Final answer
   x = 55,004.61