Finding the Third Proportional to 1,854,606 and 3,954,180

Step by Step Solution

1. Step 1: Write the proportion equation
   1,854,606 : 3,954,180 = 3,954,180 : x
2. Step 2: Convert to fraction form
   1,854,606/3,954,180 = 3,954,180/x
3. Step 3: Cross multiply
   1,854,606x = 3,954,180 × 3,954,180
4. Step 4: Simplify right side
   1,854,606x = 15,635,539,472,400
5. Step 5: Solve for x
   x = 15,635,539,472,400/1,854,606
6. Step 6: Final answer
   x = 8,430,652.91