Finding the Third Proportional to 675,279 and 1,440,945

Step by Step Solution

1. Step 1: Write the proportion equation
   675,279 : 1,440,945 = 1,440,945 : x
2. Step 2: Convert to fraction form
   675,279/1,440,945 = 1,440,945/x
3. Step 3: Cross multiply
   675,279x = 1,440,945 × 1,440,945
4. Step 4: Simplify right side
   675,279x = 2,076,322,493,025
5. Step 5: Solve for x
   x = 2,076,322,493,025/675,279
6. Step 6: Final answer
   x = 3,074,762.42