Finding the Third Proportional to 90,949 and 140,311.50

Step by Step Solution

1. Step 1: Write the proportion equation
   90,949 : 140,311.50 = 140,311.50 : x
2. Step 2: Convert to fraction form
   90,949/140,311.50 = 140,311.50/x
3. Step 3: Cross multiply
   90,949x = 140,311.50 × 140,311.50
4. Step 4: Simplify right side
   90,949x = 19,687,317,032.25
5. Step 5: Solve for x
   x = 19,687,317,032.25/90,949
6. Step 6: Final answer
   x = 216,465.46