Finding the Third Proportional to 1,355,351 and 1,987,759

Step by Step Solution

1. Step 1: Write the proportion equation
   1,355,351 : 1,987,759 = 1,987,759 : x
2. Step 2: Convert to fraction form
   1,355,351/1,987,759 = 1,987,759/x
3. Step 3: Cross multiply
   1,355,351x = 1,987,759 × 1,987,759
4. Step 4: Simplify right side
   1,355,351x = 3,951,185,842,081
5. Step 5: Solve for x
   x = 3,951,185,842,081/1,355,351
6. Step 6: Final answer
   x = 2,915,249.14