Finding the Third Proportional to 1,859,851 and 3,942,899

Step by Step Solution

1. Step 1: Write the proportion equation
   1,859,851 : 3,942,899 = 3,942,899 : x
2. Step 2: Convert to fraction form
   1,859,851/3,942,899 = 3,942,899/x
3. Step 3: Cross multiply
   1,859,851x = 3,942,899 × 3,942,899
4. Step 4: Simplify right side
   1,859,851x = 15,546,452,524,201
5. Step 5: Solve for x
   x = 15,546,452,524,201/1,859,851
6. Step 6: Final answer
   x = 8,358,977.43