Finding the Third Proportional to 1,831,084 and 3,977,408

Step by Step Solution

1. Step 1: Write the proportion equation
   1,831,084 : 3,977,408 = 3,977,408 : x
2. Step 2: Convert to fraction form
   1,831,084/3,977,408 = 3,977,408/x
3. Step 3: Cross multiply
   1,831,084x = 3,977,408 × 3,977,408
4. Step 4: Simplify right side
   1,831,084x = 15,819,774,398,464
5. Step 5: Solve for x
   x = 15,819,774,398,464/1,831,084
6. Step 6: Final answer
   x = 8,639,567.82