Finding the Third Proportional to 1,286,576 and 1,892,442

Step by Step Solution

1. Step 1: Write the proportion equation
   1,286,576 : 1,892,442 = 1,892,442 : x
2. Step 2: Convert to fraction form
   1,286,576/1,892,442 = 1,892,442/x
3. Step 3: Cross multiply
   1,286,576x = 1,892,442 × 1,892,442
4. Step 4: Simplify right side
   1,286,576x = 3,581,336,723,364
5. Step 5: Solve for x
   x = 3,581,336,723,364/1,286,576
6. Step 6: Final answer
   x = 2,783,618.48