Finding the Third Proportional to 1,778,571 and 2,662,986

Step by Step Solution

1. Step 1: Write the proportion equation
   1,778,571 : 2,662,986 = 2,662,986 : x
2. Step 2: Convert to fraction form
   1,778,571/2,662,986 = 2,662,986/x
3. Step 3: Cross multiply
   1,778,571x = 2,662,986 × 2,662,986
4. Step 4: Simplify right side
   1,778,571x = 7,091,494,436,196
5. Step 5: Solve for x
   x = 7,091,494,436,196/1,778,571
6. Step 6: Final answer
   x = 3,987,186.59