Finding the Third Proportional to 1,859,883 and 3,942,990

Step by Step Solution

1. Step 1: Write the proportion equation
   1,859,883 : 3,942,990 = 3,942,990 : x
2. Step 2: Convert to fraction form
   1,859,883/3,942,990 = 3,942,990/x
3. Step 3: Cross multiply
   1,859,883x = 3,942,990 × 3,942,990
4. Step 4: Simplify right side
   1,859,883x = 15,547,170,140,100
5. Step 5: Solve for x
   x = 15,547,170,140,100/1,859,883
6. Step 6: Final answer
   x = 8,359,219.45