Finding the Third Proportional to 1,540,679 and 3,435,409

Step by Step Solution

1. Step 1: Write the proportion equation
   1,540,679 : 3,435,409 = 3,435,409 : x
2. Step 2: Convert to fraction form
   1,540,679/3,435,409 = 3,435,409/x
3. Step 3: Cross multiply
   1,540,679x = 3,435,409 × 3,435,409
4. Step 4: Simplify right side
   1,540,679x = 11,802,034,997,281
5. Step 5: Solve for x
   x = 11,802,034,997,281/1,540,679
6. Step 6: Final answer
   x = 7,660,281.60