Finding the Third Proportional to 630,578 and 1,383,790

Step by Step Solution

1. Step 1: Write the proportion equation
   630,578 : 1,383,790 = 1,383,790 : x
2. Step 2: Convert to fraction form
   630,578/1,383,790 = 1,383,790/x
3. Step 3: Cross multiply
   630,578x = 1,383,790 × 1,383,790
4. Step 4: Simplify right side
   630,578x = 1,914,874,764,100
5. Step 5: Solve for x
   x = 1,914,874,764,100/630,578
6. Step 6: Final answer
   x = 3,036,697.70