Finding the Third Proportional to 673,540 and 1,440,472

Step by Step Solution

1. Step 1: Write the proportion equation
   673,540 : 1,440,472 = 1,440,472 : x
2. Step 2: Convert to fraction form
   673,540/1,440,472 = 1,440,472/x
3. Step 3: Cross multiply
   673,540x = 1,440,472 × 1,440,472
4. Step 4: Simplify right side
   673,540x = 2,074,959,582,784
5. Step 5: Solve for x
   x = 2,074,959,582,784/673,540
6. Step 6: Final answer
   x = 3,080,677.59