Finding the Third Proportional to 1,855,560 and 3,954,120

Step by Step Solution

1. Step 1: Write the proportion equation
   1,855,560 : 3,954,120 = 3,954,120 : x
2. Step 2: Convert to fraction form
   1,855,560/3,954,120 = 3,954,120/x
3. Step 3: Cross multiply
   1,855,560x = 3,954,120 × 3,954,120
4. Step 4: Simplify right side
   1,855,560x = 15,635,064,974,400
5. Step 5: Solve for x
   x = 15,635,064,974,400/1,855,560
6. Step 6: Final answer
   x = 8,426,062.74