Finding the Third Proportional to 41,439.75 and 90,469.88

Step by Step Solution

1. Step 1: Write the proportion equation
   41,439.75 : 90,469.88 = 90,469.88 : x
2. Step 2: Convert to fraction form
   41,439.75/90,469.88 = 90,469.88/x
3. Step 3: Cross multiply
   41,439.75x = 90,469.88 × 90,469.88
4. Step 4: Simplify right side
   41,439.75x = 8,184,798,282.52
5. Step 5: Solve for x
   x = 8,184,798,282.52/41,439.75
6. Step 6: Final answer
   x = 197,510.80