Finding the Third Proportional to 1,404,948 and 3,315,459

Step by Step Solution

1. Step 1: Write the proportion equation
   1,404,948 : 3,315,459 = 3,315,459 : x
2. Step 2: Convert to fraction form
   1,404,948/3,315,459 = 3,315,459/x
3. Step 3: Cross multiply
   1,404,948x = 3,315,459 × 3,315,459
4. Step 4: Simplify right side
   1,404,948x = 10,992,268,380,681
5. Step 5: Solve for x
   x = 10,992,268,380,681/1,404,948
6. Step 6: Final answer
   x = 7,823,968.13