Finding the Third Proportional to 840,472 and 1,261,568

Step by Step Solution

1. Step 1: Write the proportion equation
   840,472 : 1,261,568 = 1,261,568 : x
2. Step 2: Convert to fraction form
   840,472/1,261,568 = 1,261,568/x
3. Step 3: Cross multiply
   840,472x = 1,261,568 × 1,261,568
4. Step 4: Simplify right side
   840,472x = 1,591,553,818,624
5. Step 5: Solve for x
   x = 1,591,553,818,624/840,472
6. Step 6: Final answer
   x = 1,893,642.88