Finding the Third Proportional to 1,394,992 and 1,974,454

Step by Step Solution

1. Step 1: Write the proportion equation
   1,394,992 : 1,974,454 = 1,974,454 : x
2. Step 2: Convert to fraction form
   1,394,992/1,974,454 = 1,974,454/x
3. Step 3: Cross multiply
   1,394,992x = 1,974,454 × 1,974,454
4. Step 4: Simplify right side
   1,394,992x = 3,898,468,598,116
5. Step 5: Solve for x
   x = 3,898,468,598,116/1,394,992
6. Step 6: Final answer
   x = 2,794,617.17