Finding the Third Proportional to 674,618 and 1,025,740

Step by Step Solution

1. Step 1: Write the proportion equation
   674,618 : 1,025,740 = 1,025,740 : x
2. Step 2: Convert to fraction form
   674,618/1,025,740 = 1,025,740/x
3. Step 3: Cross multiply
   674,618x = 1,025,740 × 1,025,740
4. Step 4: Simplify right side
   674,618x = 1,052,142,547,600
5. Step 5: Solve for x
   x = 1,052,142,547,600/674,618
6. Step 6: Final answer
   x = 1,559,612.33