Finding the Third Proportional to 913,912 and 1,422,864

Step by Step Solution

1. Step 1: Write the proportion equation
   913,912 : 1,422,864 = 1,422,864 : x
2. Step 2: Convert to fraction form
   913,912/1,422,864 = 1,422,864/x
3. Step 3: Cross multiply
   913,912x = 1,422,864 × 1,422,864
4. Step 4: Simplify right side
   913,912x = 2,024,541,962,496
5. Step 5: Solve for x
   x = 2,024,541,962,496/913,912
6. Step 6: Final answer
   x = 2,215,248.25