Finding the Third Proportional to 1,443,135 and 3,137,451

Step by Step Solution

1. Step 1: Write the proportion equation
   1,443,135 : 3,137,451 = 3,137,451 : x
2. Step 2: Convert to fraction form
   1,443,135/3,137,451 = 3,137,451/x
3. Step 3: Cross multiply
   1,443,135x = 3,137,451 × 3,137,451
4. Step 4: Simplify right side
   1,443,135x = 9,843,598,777,401
5. Step 5: Solve for x
   x = 9,843,598,777,401/1,443,135
6. Step 6: Final answer
   x = 6,820,982.64