Finding the Third Proportional to 1,271,361 and 1,918,864

Step by Step Solution

1. Step 1: Write the proportion equation
   1,271,361 : 1,918,864 = 1,918,864 : x
2. Step 2: Convert to fraction form
   1,271,361/1,918,864 = 1,918,864/x
3. Step 3: Cross multiply
   1,271,361x = 1,918,864 × 1,918,864
4. Step 4: Simplify right side
   1,271,361x = 3,682,039,050,496
5. Step 5: Solve for x
   x = 3,682,039,050,496/1,271,361
6. Step 6: Final answer
   x = 2,896,139.69