Finding the Third Proportional to 3,519,792 and 8,476,580

Step by Step Solution

1. Step 1: Write the proportion equation
   3,519,792 : 8,476,580 = 8,476,580 : x
2. Step 2: Convert to fraction form
   3,519,792/8,476,580 = 8,476,580/x
3. Step 3: Cross multiply
   3,519,792x = 8,476,580 × 8,476,580
4. Step 4: Simplify right side
   3,519,792x = 71,852,408,496,400
5. Step 5: Solve for x
   x = 71,852,408,496,400/3,519,792
6. Step 6: Final answer
   x = 20,413,822.32