Finding the Third Proportional to 601,743 and 1,321,578

Step by Step Solution

1. Step 1: Write the proportion equation
   601,743 : 1,321,578 = 1,321,578 : x
2. Step 2: Convert to fraction form
   601,743/1,321,578 = 1,321,578/x
3. Step 3: Cross multiply
   601,743x = 1,321,578 × 1,321,578
4. Step 4: Simplify right side
   601,743x = 1,746,568,410,084
5. Step 5: Solve for x
   x = 1,746,568,410,084/601,743
6. Step 6: Final answer
   x = 2,902,515.54