Finding the Third Proportional to 27,708.75 and 61,249.50

Step by Step Solution

1. Step 1: Write the proportion equation
   27,708.75 : 61,249.50 = 61,249.50 : x
2. Step 2: Convert to fraction form
   27,708.75/61,249.50 = 61,249.50/x
3. Step 3: Cross multiply
   27,708.75x = 61,249.50 × 61,249.50
4. Step 4: Simplify right side
   27,708.75x = 3,751,501,250.25
5. Step 5: Solve for x
   x = 3,751,501,250.25/27,708.75
6. Step 6: Final answer
   x = 135,390.49