Finding the Third Proportional to 1,782,378 and 2,682,086

Step by Step Solution

1. Step 1: Write the proportion equation
   1,782,378 : 2,682,086 = 2,682,086 : x
2. Step 2: Convert to fraction form
   1,782,378/2,682,086 = 2,682,086/x
3. Step 3: Cross multiply
   1,782,378x = 2,682,086 × 2,682,086
4. Step 4: Simplify right side
   1,782,378x = 7,193,585,311,396
5. Step 5: Solve for x
   x = 7,193,585,311,396/1,782,378
6. Step 6: Final answer
   x = 4,035,948.22