Finding the Third Proportional to 40,220.30 and 59,168.60

Step by Step Solution

1. Step 1: Write the proportion equation
   40,220.30 : 59,168.60 = 59,168.60 : x
2. Step 2: Convert to fraction form
   40,220.30/59,168.60 = 59,168.60/x
3. Step 3: Cross multiply
   40,220.30x = 59,168.60 × 59,168.60
4. Step 4: Simplify right side
   40,220.30x = 3,500,923,410.86
5. Step 5: Solve for x
   x = 3,500,923,410.86/40,220.30
6. Step 6: Final answer
   x = 87,043.70