Finding the Third Proportional to 103,560 and 223,460

Step by Step Solution

1. Step 1: Write the proportion equation
   103,560 : 223,460 = 223,460 : x
2. Step 2: Convert to fraction form
   103,560/223,460 = 223,460/x
3. Step 3: Cross multiply
   103,560x = 223,460 × 223,460
4. Step 4: Simplify right side
   103,560x = 49,934,371,600
5. Step 5: Solve for x
   x = 49,934,371,600/103,560
6. Step 6: Final answer
   x = 482,178.17