Finding the Third Proportional to 6,620 and 10,538

Step by Step Solution

1. Step 1: Write the proportion equation
   6,620 : 10,538 = 10,538 : x
2. Step 2: Convert to fraction form
   6,620/10,538 = 10,538/x
3. Step 3: Cross multiply
   6,620x = 10,538 × 10,538
4. Step 4: Simplify right side
   6,620x = 111,049,444
5. Step 5: Solve for x
   x = 111,049,444/6,620
6. Step 6: Final answer
   x = 16,774.84