Finding the Third Proportional to 1,290,825 and 2,836,422

Step by Step Solution

1. Step 1: Write the proportion equation
   1,290,825 : 2,836,422 = 2,836,422 : x
2. Step 2: Convert to fraction form
   1,290,825/2,836,422 = 2,836,422/x
3. Step 3: Cross multiply
   1,290,825x = 2,836,422 × 2,836,422
4. Step 4: Simplify right side
   1,290,825x = 8,045,289,762,084
5. Step 5: Solve for x
   x = 8,045,289,762,084/1,290,825
6. Step 6: Final answer
   x = 6,232,672.72