Finding the Third Proportional to 30,984 and 63,616

Step by Step Solution

1. Step 1: Write the proportion equation
   30,984 : 63,616 = 63,616 : x
2. Step 2: Convert to fraction form
   30,984/63,616 = 63,616/x
3. Step 3: Cross multiply
   30,984x = 63,616 × 63,616
4. Step 4: Simplify right side
   30,984x = 4,046,995,456
5. Step 5: Solve for x
   x = 4,046,995,456/30,984
6. Step 6: Final answer
   x = 130,615.66