Finding the Third Proportional to 1,310,727 and 1,770,872

Step by Step Solution

1. Step 1: Write the proportion equation
   1,310,727 : 1,770,872 = 1,770,872 : x
2. Step 2: Convert to fraction form
   1,310,727/1,770,872 = 1,770,872/x
3. Step 3: Cross multiply
   1,310,727x = 1,770,872 × 1,770,872
4. Step 4: Simplify right side
   1,310,727x = 3,135,987,640,384
5. Step 5: Solve for x
   x = 3,135,987,640,384/1,310,727
6. Step 6: Final answer
   x = 2,392,555.92