Finding the Third Proportional to 103,440 and 223,208.50

Step by Step Solution

1. Step 1: Write the proportion equation
   103,440 : 223,208.50 = 223,208.50 : x
2. Step 2: Convert to fraction form
   103,440/223,208.50 = 223,208.50/x
3. Step 3: Cross multiply
   103,440x = 223,208.50 × 223,208.50
4. Step 4: Simplify right side
   103,440x = 49,822,034,472.25
5. Step 5: Solve for x
   x = 49,822,034,472.25/103,440
6. Step 6: Final answer
   x = 481,651.53