Finding the Third Proportional to 3,927,215 and 8,474,080

Step by Step Solution

1. Step 1: Write the proportion equation
   3,927,215 : 8,474,080 = 8,474,080 : x
2. Step 2: Convert to fraction form
   3,927,215/8,474,080 = 8,474,080/x
3. Step 3: Cross multiply
   3,927,215x = 8,474,080 × 8,474,080
4. Step 4: Simplify right side
   3,927,215x = 71,810,031,846,400
5. Step 5: Solve for x
   x = 71,810,031,846,400/3,927,215
6. Step 6: Final answer
   x = 18,285,230.59