Finding the Third Proportional to 40,537.75 and 60,639.25

Step by Step Solution

1. Step 1: Write the proportion equation
   40,537.75 : 60,639.25 = 60,639.25 : x
2. Step 2: Convert to fraction form
   40,537.75/60,639.25 = 60,639.25/x
3. Step 3: Cross multiply
   40,537.75x = 60,639.25 × 60,639.25
4. Step 4: Simplify right side
   40,537.75x = 3,677,118,640.56
5. Step 5: Solve for x
   x = 3,677,118,640.56/40,537.75
6. Step 6: Final answer
   x = 90,708.50