Finding the Third Proportional to 90,181 and 140,183.50

Step by Step Solution

1. Step 1: Write the proportion equation
   90,181 : 140,183.50 = 140,183.50 : x
2. Step 2: Convert to fraction form
   90,181/140,183.50 = 140,183.50/x
3. Step 3: Cross multiply
   90,181x = 140,183.50 × 140,183.50
4. Step 4: Simplify right side
   90,181x = 19,651,413,672.25
5. Step 5: Solve for x
   x = 19,651,413,672.25/90,181
6. Step 6: Final answer
   x = 217,910.80