Finding the Third Proportional to 41,854.50 and 58,540.50

Step by Step Solution

1. Step 1: Write the proportion equation
   41,854.50 : 58,540.50 = 58,540.50 : x
2. Step 2: Convert to fraction form
   41,854.50/58,540.50 = 58,540.50/x
3. Step 3: Cross multiply
   41,854.50x = 58,540.50 × 58,540.50
4. Step 4: Simplify right side
   41,854.50x = 3,426,990,140.25
5. Step 5: Solve for x
   x = 3,426,990,140.25/41,854.50
6. Step 6: Final answer
   x = 81,878.65