Finding the Third Proportional to 12,280 and 25,824

Step by Step Solution

1. Step 1: Write the proportion equation
   12,280 : 25,824 = 25,824 : x
2. Step 2: Convert to fraction form
   12,280/25,824 = 25,824/x
3. Step 3: Cross multiply
   12,280x = 25,824 × 25,824
4. Step 4: Simplify right side
   12,280x = 666,878,976
5. Step 5: Solve for x
   x = 666,878,976/12,280
6. Step 6: Final answer
   x = 54,306.11