Finding the Third Proportional to 21,336 and 30,616

Step by Step Solution

1. Step 1: Write the proportion equation
   21,336 : 30,616 = 30,616 : x
2. Step 2: Convert to fraction form
   21,336/30,616 = 30,616/x
3. Step 3: Cross multiply
   21,336x = 30,616 × 30,616
4. Step 4: Simplify right side
   21,336x = 937,339,456
5. Step 5: Solve for x
   x = 937,339,456/21,336
6. Step 6: Final answer
   x = 43,932.30