Finding the Third Proportional to 618,084 and 1,283,538

Step by Step Solution

1. Step 1: Write the proportion equation
   618,084 : 1,283,538 = 1,283,538 : x
2. Step 2: Convert to fraction form
   618,084/1,283,538 = 1,283,538/x
3. Step 3: Cross multiply
   618,084x = 1,283,538 × 1,283,538
4. Step 4: Simplify right side
   618,084x = 1,647,469,797,444
5. Step 5: Solve for x
   x = 1,647,469,797,444/618,084
6. Step 6: Final answer
   x = 2,665,446.44