Finding the Third Proportional to 601,740 and 1,311,398

Step by Step Solution

1. Step 1: Write the proportion equation
   601,740 : 1,311,398 = 1,311,398 : x
2. Step 2: Convert to fraction form
   601,740/1,311,398 = 1,311,398/x
3. Step 3: Cross multiply
   601,740x = 1,311,398 × 1,311,398
4. Step 4: Simplify right side
   601,740x = 1,719,764,714,404
5. Step 5: Solve for x
   x = 1,719,764,714,404/601,740
6. Step 6: Final answer
   x = 2,857,986.36