Finding the Third Proportional to 826,918 and 1,245,216

Step by Step Solution

1. Step 1: Write the proportion equation
   826,918 : 1,245,216 = 1,245,216 : x
2. Step 2: Convert to fraction form
   826,918/1,245,216 = 1,245,216/x
3. Step 3: Cross multiply
   826,918x = 1,245,216 × 1,245,216
4. Step 4: Simplify right side
   826,918x = 1,550,562,886,656
5. Step 5: Solve for x
   x = 1,550,562,886,656/826,918
6. Step 6: Final answer
   x = 1,875,110.82