Finding the Third Proportional to 1,820,007 and 3,961,071

Step by Step Solution

1. Step 1: Write the proportion equation
   1,820,007 : 3,961,071 = 3,961,071 : x
2. Step 2: Convert to fraction form
   1,820,007/3,961,071 = 3,961,071/x
3. Step 3: Cross multiply
   1,820,007x = 3,961,071 × 3,961,071
4. Step 4: Simplify right side
   1,820,007x = 15,690,083,467,041
5. Step 5: Solve for x
   x = 15,690,083,467,041/1,820,007
6. Step 6: Final answer
   x = 8,620,891.82