Finding the Third Proportional to 424,226 and 914,870

Step by Step Solution

1. Step 1: Write the proportion equation
   424,226 : 914,870 = 914,870 : x
2. Step 2: Convert to fraction form
   424,226/914,870 = 914,870/x
3. Step 3: Cross multiply
   424,226x = 914,870 × 914,870
4. Step 4: Simplify right side
   424,226x = 836,987,116,900
5. Step 5: Solve for x
   x = 836,987,116,900/424,226
6. Step 6: Final answer
   x = 1,972,974.59