Finding the Third Proportional to 20,788 and 31,616

Step by Step Solution

1. Step 1: Write the proportion equation
   20,788 : 31,616 = 31,616 : x
2. Step 2: Convert to fraction form
   20,788/31,616 = 31,616/x
3. Step 3: Cross multiply
   20,788x = 31,616 × 31,616
4. Step 4: Simplify right side
   20,788x = 999,571,456
5. Step 5: Solve for x
   x = 999,571,456/20,788
6. Step 6: Final answer
   x = 48,084.06