Finding the Third Proportional to 870,944 and 1,776,879

Step by Step Solution

1. Step 1: Write the proportion equation
   870,944 : 1,776,879 = 1,776,879 : x
2. Step 2: Convert to fraction form
   870,944/1,776,879 = 1,776,879/x
3. Step 3: Cross multiply
   870,944x = 1,776,879 × 1,776,879
4. Step 4: Simplify right side
   870,944x = 3,157,298,980,641
5. Step 5: Solve for x
   x = 3,157,298,980,641/870,944
6. Step 6: Final answer
   x = 3,625,145.80