Finding the Third Proportional to 3,178,658 and 4,797,147

Step by Step Solution

1. Step 1: Write the proportion equation
   3,178,658 : 4,797,147 = 4,797,147 : x
2. Step 2: Convert to fraction form
   3,178,658/4,797,147 = 4,797,147/x
3. Step 3: Cross multiply
   3,178,658x = 4,797,147 × 4,797,147
4. Step 4: Simplify right side
   3,178,658x = 23,012,619,339,609
5. Step 5: Solve for x
   x = 23,012,619,339,609/3,178,658
6. Step 6: Final answer
   x = 7,239,728.00