Finding the Third Proportional to 2,736,909 and 3,942,430

Step by Step Solution

1. Step 1: Write the proportion equation
   2,736,909 : 3,942,430 = 3,942,430 : x
2. Step 2: Convert to fraction form
   2,736,909/3,942,430 = 3,942,430/x
3. Step 3: Cross multiply
   2,736,909x = 3,942,430 × 3,942,430
4. Step 4: Simplify right side
   2,736,909x = 15,542,754,304,900
5. Step 5: Solve for x
   x = 15,542,754,304,900/2,736,909
6. Step 6: Final answer
   x = 5,678,944.50