Finding the Third Proportional to 103,891.50 and 223,810.50

Step by Step Solution

1. Step 1: Write the proportion equation
   103,891.50 : 223,810.50 = 223,810.50 : x
2. Step 2: Convert to fraction form
   103,891.50/223,810.50 = 223,810.50/x
3. Step 3: Cross multiply
   103,891.50x = 223,810.50 × 223,810.50
4. Step 4: Simplify right side
   103,891.50x = 50,091,139,910.25
5. Step 5: Solve for x
   x = 50,091,139,910.25/103,891.50
6. Step 6: Final answer
   x = 482,148.59