Finding the Third Proportional to 803,886 and 1,279,632

Step by Step Solution

1. Step 1: Write the proportion equation
   803,886 : 1,279,632 = 1,279,632 : x
2. Step 2: Convert to fraction form
   803,886/1,279,632 = 1,279,632/x
3. Step 3: Cross multiply
   803,886x = 1,279,632 × 1,279,632
4. Step 4: Simplify right side
   803,886x = 1,637,458,055,424
5. Step 5: Solve for x
   x = 1,637,458,055,424/803,886
6. Step 6: Final answer
   x = 2,036,928.19