Finding the Third Proportional to 6,388 and 13,965

Step by Step Solution

1. Step 1: Write the proportion equation
   6,388 : 13,965 = 13,965 : x
2. Step 2: Convert to fraction form
   6,388/13,965 = 13,965/x
3. Step 3: Cross multiply
   6,388x = 13,965 × 13,965
4. Step 4: Simplify right side
   6,388x = 195,021,225
5. Step 5: Solve for x
   x = 195,021,225/6,388
6. Step 6: Final answer
   x = 30,529.31