Finding the Third Proportional to 48,456 and 103,920

Step by Step Solution

1. Step 1: Write the proportion equation
   48,456 : 103,920 = 103,920 : x
2. Step 2: Convert to fraction form
   48,456/103,920 = 103,920/x
3. Step 3: Cross multiply
   48,456x = 103,920 × 103,920
4. Step 4: Simplify right side
   48,456x = 10,799,366,400
5. Step 5: Solve for x
   x = 10,799,366,400/48,456
6. Step 6: Final answer
   x = 222,869.54