Finding the Third Proportional to 3,864,192 and 8,474,880

Step by Step Solution

1. Step 1: Write the proportion equation
   3,864,192 : 8,474,880 = 8,474,880 : x
2. Step 2: Convert to fraction form
   3,864,192/8,474,880 = 8,474,880/x
3. Step 3: Cross multiply
   3,864,192x = 8,474,880 × 8,474,880
4. Step 4: Simplify right side
   3,864,192x = 71,823,591,014,400
5. Step 5: Solve for x
   x = 71,823,591,014,400/3,864,192
6. Step 6: Final answer
   x = 18,586,962.30