Finding the Third Proportional to 870,940 and 1,776,872

Step by Step Solution

1. Step 1: Write the proportion equation
   870,940 : 1,776,872 = 1,776,872 : x
2. Step 2: Convert to fraction form
   870,940/1,776,872 = 1,776,872/x
3. Step 3: Cross multiply
   870,940x = 1,776,872 × 1,776,872
4. Step 4: Simplify right side
   870,940x = 3,157,274,104,384
5. Step 5: Solve for x
   x = 3,157,274,104,384/870,940
6. Step 6: Final answer
   x = 3,625,133.88