Finding the Third Proportional to 824,836 and 1,229,478

Step by Step Solution

1. Step 1: Write the proportion equation
   824,836 : 1,229,478 = 1,229,478 : x
2. Step 2: Convert to fraction form
   824,836/1,229,478 = 1,229,478/x
3. Step 3: Cross multiply
   824,836x = 1,229,478 × 1,229,478
4. Step 4: Simplify right side
   824,836x = 1,511,616,152,484
5. Step 5: Solve for x
   x = 1,511,616,152,484/824,836
6. Step 6: Final answer
   x = 1,832,626.31