Finding the Third Proportional to 39,640.50 and 52,845.75

Step by Step Solution

1. Step 1: Write the proportion equation
   39,640.50 : 52,845.75 = 52,845.75 : x
2. Step 2: Convert to fraction form
   39,640.50/52,845.75 = 52,845.75/x
3. Step 3: Cross multiply
   39,640.50x = 52,845.75 × 52,845.75
4. Step 4: Simplify right side
   39,640.50x = 2,792,673,293.06
5. Step 5: Solve for x
   x = 2,792,673,293.06/39,640.50
6. Step 6: Final answer
   x = 70,450.00