Finding the Third Proportional to 144,866.50 and 223,861

Step by Step Solution

1. Step 1: Write the proportion equation
   144,866.50 : 223,861 = 223,861 : x
2. Step 2: Convert to fraction form
   144,866.50/223,861 = 223,861/x
3. Step 3: Cross multiply
   144,866.50x = 223,861 × 223,861
4. Step 4: Simplify right side
   144,866.50x = 50,113,747,321
5. Step 5: Solve for x
   x = 50,113,747,321/144,866.50
6. Step 6: Final answer
   x = 345,930.55