Finding the Third Proportional to 14,296 and 31,616

Step by Step Solution

1. Step 1: Write the proportion equation
   14,296 : 31,616 = 31,616 : x
2. Step 2: Convert to fraction form
   14,296/31,616 = 31,616/x
3. Step 3: Cross multiply
   14,296x = 31,616 × 31,616
4. Step 4: Simplify right side
   14,296x = 999,571,456
5. Step 5: Solve for x
   x = 999,571,456/14,296
6. Step 6: Final answer
   x = 69,919.66