Finding the Third Proportional to 6,111 and 13,611

Step by Step Solution

1. Step 1: Write the proportion equation
   6,111 : 13,611 = 13,611 : x
2. Step 2: Convert to fraction form
   6,111/13,611 = 13,611/x
3. Step 3: Cross multiply
   6,111x = 13,611 × 13,611
4. Step 4: Simplify right side
   6,111x = 185,259,321
5. Step 5: Solve for x
   x = 185,259,321/6,111
6. Step 6: Final answer
   x = 30,315.71