Finding the Third Proportional to 143,620.50 and 227,311.50

Step by Step Solution

1. Step 1: Write the proportion equation
   143,620.50 : 227,311.50 = 227,311.50 : x
2. Step 2: Convert to fraction form
   143,620.50/227,311.50 = 227,311.50/x
3. Step 3: Cross multiply
   143,620.50x = 227,311.50 × 227,311.50
4. Step 4: Simplify right side
   143,620.50x = 51,670,518,032.25
5. Step 5: Solve for x
   x = 51,670,518,032.25/143,620.50
6. Step 6: Final answer
   x = 359,771.19