Finding the Third Proportional to 103,919.50 and 223,866.50

Step by Step Solution

1. Step 1: Write the proportion equation
   103,919.50 : 223,866.50 = 223,866.50 : x
2. Step 2: Convert to fraction form
   103,919.50/223,866.50 = 223,866.50/x
3. Step 3: Cross multiply
   103,919.50x = 223,866.50 × 223,866.50
4. Step 4: Simplify right side
   103,919.50x = 50,116,209,822.25
5. Step 5: Solve for x
   x = 50,116,209,822.25/103,919.50
6. Step 6: Final answer
   x = 482,259.92