Finding the Third Proportional to 678,734 and 1,462,372

Step by Step Solution

1. Step 1: Write the proportion equation
   678,734 : 1,462,372 = 1,462,372 : x
2. Step 2: Convert to fraction form
   678,734/1,462,372 = 1,462,372/x
3. Step 3: Cross multiply
   678,734x = 1,462,372 × 1,462,372
4. Step 4: Simplify right side
   678,734x = 2,138,531,866,384
5. Step 5: Solve for x
   x = 2,138,531,866,384/678,734
6. Step 6: Final answer
   x = 3,150,765.79