Finding the Third Proportional to 1,540,676 and 3,435,403

Step by Step Solution

1. Step 1: Write the proportion equation
   1,540,676 : 3,435,403 = 3,435,403 : x
2. Step 2: Convert to fraction form
   1,540,676/3,435,403 = 3,435,403/x
3. Step 3: Cross multiply
   1,540,676x = 3,435,403 × 3,435,403
4. Step 4: Simplify right side
   1,540,676x = 11,801,993,772,409
5. Step 5: Solve for x
   x = 11,801,993,772,409/1,540,676
6. Step 6: Final answer
   x = 7,660,269.76