Finding the Third Proportional to 1,854,578 and 3,954,108

Step by Step Solution

1. Step 1: Write the proportion equation
   1,854,578 : 3,954,108 = 3,954,108 : x
2. Step 2: Convert to fraction form
   1,854,578/3,954,108 = 3,954,108/x
3. Step 3: Cross multiply
   1,854,578x = 3,954,108 × 3,954,108
4. Step 4: Simplify right side
   1,854,578x = 15,634,970,075,664
5. Step 5: Solve for x
   x = 15,634,970,075,664/1,854,578
6. Step 6: Final answer
   x = 8,430,473.17