Finding the Third Proportional to 426,469 and 905,426

Step by Step Solution

1. Step 1: Write the proportion equation
   426,469 : 905,426 = 905,426 : x
2. Step 2: Convert to fraction form
   426,469/905,426 = 905,426/x
3. Step 3: Cross multiply
   426,469x = 905,426 × 905,426
4. Step 4: Simplify right side
   426,469x = 819,796,241,476
5. Step 5: Solve for x
   x = 819,796,241,476/426,469
6. Step 6: Final answer
   x = 1,922,288.00