Finding the Third Proportional to 1,821,510 and 2,717,487

Step by Step Solution

1. Step 1: Write the proportion equation
   1,821,510 : 2,717,487 = 2,717,487 : x
2. Step 2: Convert to fraction form
   1,821,510/2,717,487 = 2,717,487/x
3. Step 3: Cross multiply
   1,821,510x = 2,717,487 × 2,717,487
4. Step 4: Simplify right side
   1,821,510x = 7,384,735,595,169
5. Step 5: Solve for x
   x = 7,384,735,595,169/1,821,510
6. Step 6: Final answer
   x = 4,054,183.39