Finding the Third Proportional to 14,418 and 31,284

Step by Step Solution

1. Step 1: Write the proportion equation
   14,418 : 31,284 = 31,284 : x
2. Step 2: Convert to fraction form
   14,418/31,284 = 31,284/x
3. Step 3: Cross multiply
   14,418x = 31,284 × 31,284
4. Step 4: Simplify right side
   14,418x = 978,688,656
5. Step 5: Solve for x
   x = 978,688,656/14,418
6. Step 6: Final answer
   x = 67,879.64