Finding the Third Proportional to 1,449,742 and 3,109,436

Step by Step Solution

1. Step 1: Write the proportion equation
   1,449,742 : 3,109,436 = 3,109,436 : x
2. Step 2: Convert to fraction form
   1,449,742/3,109,436 = 3,109,436/x
3. Step 3: Cross multiply
   1,449,742x = 3,109,436 × 3,109,436
4. Step 4: Simplify right side
   1,449,742x = 9,668,592,238,096
5. Step 5: Solve for x
   x = 9,668,592,238,096/1,449,742
6. Step 6: Final answer
   x = 6,669,181.30