Finding the Third Proportional to 13,139.09 and 27,713.39

Step by Step Solution

1. Step 1: Write the proportion equation
   13,139.09 : 27,713.39 = 27,713.39 : x
2. Step 2: Convert to fraction form
   13,139.09/27,713.39 = 27,713.39/x
3. Step 3: Cross multiply
   13,139.09x = 27,713.39 × 27,713.39
4. Step 4: Simplify right side
   13,139.09x = 768,032,019.93
5. Step 5: Solve for x
   x = 768,032,019.93/13,139.09
6. Step 6: Final answer
   x = 58,453.99