Finding the Third Proportional to 426,656 and 916,568

Step by Step Solution

1. Step 1: Write the proportion equation
   426,656 : 916,568 = 916,568 : x
2. Step 2: Convert to fraction form
   426,656/916,568 = 916,568/x
3. Step 3: Cross multiply
   426,656x = 916,568 × 916,568
4. Step 4: Simplify right side
   426,656x = 840,096,898,624
5. Step 5: Solve for x
   x = 840,096,898,624/426,656
6. Step 6: Final answer
   x = 1,969,026.33