Finding the Third Proportional to 40,745 and 90,238

Step by Step Solution

1. Step 1: Write the proportion equation
   40,745 : 90,238 = 90,238 : x
2. Step 2: Convert to fraction form
   40,745/90,238 = 90,238/x
3. Step 3: Cross multiply
   40,745x = 90,238 × 90,238
4. Step 4: Simplify right side
   40,745x = 8,142,896,644
5. Step 5: Solve for x
   x = 8,142,896,644/40,745
6. Step 6: Final answer
   x = 199,850.21