Finding the Third Proportional to 39,917.25 and 66,525.75

Step by Step Solution

1. Step 1: Write the proportion equation
   39,917.25 : 66,525.75 = 66,525.75 : x
2. Step 2: Convert to fraction form
   39,917.25/66,525.75 = 66,525.75/x
3. Step 3: Cross multiply
   39,917.25x = 66,525.75 × 66,525.75
4. Step 4: Simplify right side
   39,917.25x = 4,425,675,413.06
5. Step 5: Solve for x
   x = 4,425,675,413.06/39,917.25
6. Step 6: Final answer
   x = 110,871.25