Finding the Third Proportional to 21,320 and 30,284

Step by Step Solution

1. Step 1: Write the proportion equation
   21,320 : 30,284 = 30,284 : x
2. Step 2: Convert to fraction form
   21,320/30,284 = 30,284/x
3. Step 3: Cross multiply
   21,320x = 30,284 × 30,284
4. Step 4: Simplify right side
   21,320x = 917,120,656
5. Step 5: Solve for x
   x = 917,120,656/21,320
6. Step 6: Final answer
   x = 43,016.92