Finding the Third Proportional to 1,540,674 and 3,435,399

Step by Step Solution

1. Step 1: Write the proportion equation
   1,540,674 : 3,435,399 = 3,435,399 : x
2. Step 2: Convert to fraction form
   1,540,674/3,435,399 = 3,435,399/x
3. Step 3: Cross multiply
   1,540,674x = 3,435,399 × 3,435,399
4. Step 4: Simplify right side
   1,540,674x = 11,801,966,289,201
5. Step 5: Solve for x
   x = 11,801,966,289,201/1,540,674
6. Step 6: Final answer
   x = 7,660,261.87