Finding the Third Proportional to 1,140,917 and 1,707,811

Step by Step Solution

1. Step 1: Write the proportion equation
   1,140,917 : 1,707,811 = 1,707,811 : x
2. Step 2: Convert to fraction form
   1,140,917/1,707,811 = 1,707,811/x
3. Step 3: Cross multiply
   1,140,917x = 1,707,811 × 1,707,811
4. Step 4: Simplify right side
   1,140,917x = 2,916,618,411,721
5. Step 5: Solve for x
   x = 2,916,618,411,721/1,140,917
6. Step 6: Final answer
   x = 2,556,380.89