Finding the Third Proportional to 40,290.75 and 59,042.25

Step by Step Solution

1. Step 1: Write the proportion equation
   40,290.75 : 59,042.25 = 59,042.25 : x
2. Step 2: Convert to fraction form
   40,290.75/59,042.25 = 59,042.25/x
3. Step 3: Cross multiply
   40,290.75x = 59,042.25 × 59,042.25
4. Step 4: Simplify right side
   40,290.75x = 3,485,987,285.06
5. Step 5: Solve for x
   x = 3,485,987,285.06/40,290.75
6. Step 6: Final answer
   x = 86,520.78