Finding the Third Proportional to 6,389 and 13,961

Step by Step Solution

1. Step 1: Write the proportion equation
   6,389 : 13,961 = 13,961 : x
2. Step 2: Convert to fraction form
   6,389/13,961 = 13,961/x
3. Step 3: Cross multiply
   6,389x = 13,961 × 13,961
4. Step 4: Simplify right side
   6,389x = 194,909,521
5. Step 5: Solve for x
   x = 194,909,521/6,389
6. Step 6: Final answer
   x = 30,507.05