Finding the Third Proportional to 673,746 and 1,440,834

Step by Step Solution

1. Step 1: Write the proportion equation
   673,746 : 1,440,834 = 1,440,834 : x
2. Step 2: Convert to fraction form
   673,746/1,440,834 = 1,440,834/x
3. Step 3: Cross multiply
   673,746x = 1,440,834 × 1,440,834
4. Step 4: Simplify right side
   673,746x = 2,076,002,615,556
5. Step 5: Solve for x
   x = 2,076,002,615,556/673,746
6. Step 6: Final answer
   x = 3,081,283.77