Finding the Third Proportional to 1,808,472 and 3,900,885

Step by Step Solution

1. Step 1: Write the proportion equation
   1,808,472 : 3,900,885 = 3,900,885 : x
2. Step 2: Convert to fraction form
   1,808,472/3,900,885 = 3,900,885/x
3. Step 3: Cross multiply
   1,808,472x = 3,900,885 × 3,900,885
4. Step 4: Simplify right side
   1,808,472x = 15,216,903,783,225
5. Step 5: Solve for x
   x = 15,216,903,783,225/1,808,472
6. Step 6: Final answer
   x = 8,414,232.45