Finding the Third Proportional to 65,657.25 and 140,062.50

Step by Step Solution

1. Step 1: Write the proportion equation
   65,657.25 : 140,062.50 = 140,062.50 : x
2. Step 2: Convert to fraction form
   65,657.25/140,062.50 = 140,062.50/x
3. Step 3: Cross multiply
   65,657.25x = 140,062.50 × 140,062.50
4. Step 4: Simplify right side
   65,657.25x = 19,617,503,906.25
5. Step 5: Solve for x
   x = 19,617,503,906.25/65,657.25
6. Step 6: Final answer
   x = 298,786.56