Finding the Third Proportional to 1,786,515 and 3,893,718

Step by Step Solution

1. Step 1: Write the proportion equation
   1,786,515 : 3,893,718 = 3,893,718 : x
2. Step 2: Convert to fraction form
   1,786,515/3,893,718 = 3,893,718/x
3. Step 3: Cross multiply
   1,786,515x = 3,893,718 × 3,893,718
4. Step 4: Simplify right side
   1,786,515x = 15,161,039,863,524
5. Step 5: Solve for x
   x = 15,161,039,863,524/1,786,515
6. Step 6: Final answer
   x = 8,486,377.03