Finding the Third Proportional to 3,927,217 and 8,474,084

Step by Step Solution

1. Step 1: Write the proportion equation
   3,927,217 : 8,474,084 = 8,474,084 : x
2. Step 2: Convert to fraction form
   3,927,217/8,474,084 = 8,474,084/x
3. Step 3: Cross multiply
   3,927,217x = 8,474,084 × 8,474,084
4. Step 4: Simplify right side
   3,927,217x = 71,810,099,639,056
5. Step 5: Solve for x
   x = 71,810,099,639,056/3,927,217
6. Step 6: Final answer
   x = 18,285,238.54