Finding the Third Proportional to 674,520 and 1,491,864

Step by Step Solution

1. Step 1: Write the proportion equation
   674,520 : 1,491,864 = 1,491,864 : x
2. Step 2: Convert to fraction form
   674,520/1,491,864 = 1,491,864/x
3. Step 3: Cross multiply
   674,520x = 1,491,864 × 1,491,864
4. Step 4: Simplify right side
   674,520x = 2,225,658,194,496
5. Step 5: Solve for x
   x = 2,225,658,194,496/674,520
6. Step 6: Final answer
   x = 3,299,617.79