Finding the Third Proportional to 1,083,467 and 1,679,980

Step by Step Solution

1. Step 1: Write the proportion equation
   1,083,467 : 1,679,980 = 1,679,980 : x
2. Step 2: Convert to fraction form
   1,083,467/1,679,980 = 1,679,980/x
3. Step 3: Cross multiply
   1,083,467x = 1,679,980 × 1,679,980
4. Step 4: Simplify right side
   1,083,467x = 2,822,332,800,400
5. Step 5: Solve for x
   x = 2,822,332,800,400/1,083,467
6. Step 6: Final answer
   x = 2,604,908.87