Finding the Third Proportional to 426,648 and 914,019

Step by Step Solution

1. Step 1: Write the proportion equation
   426,648 : 914,019 = 914,019 : x
2. Step 2: Convert to fraction form
   426,648/914,019 = 914,019/x
3. Step 3: Cross multiply
   426,648x = 914,019 × 914,019
4. Step 4: Simplify right side
   426,648x = 835,430,732,361
5. Step 5: Solve for x
   x = 835,430,732,361/426,648
6. Step 6: Final answer
   x = 1,958,126.45