Finding the Third Proportional to 40,205.25 and 59,145.75

Step by Step Solution

1. Step 1: Write the proportion equation
   40,205.25 : 59,145.75 = 59,145.75 : x
2. Step 2: Convert to fraction form
   40,205.25/59,145.75 = 59,145.75/x
3. Step 3: Cross multiply
   40,205.25x = 59,145.75 × 59,145.75
4. Step 4: Simplify right side
   40,205.25x = 3,498,219,743.06
5. Step 5: Solve for x
   x = 3,498,219,743.06/40,205.25
6. Step 6: Final answer
   x = 87,009.03