Finding the Third Proportional to 3,178,656 and 4,797,144

Step by Step Solution

1. Step 1: Write the proportion equation
   3,178,656 : 4,797,144 = 4,797,144 : x
2. Step 2: Convert to fraction form
   3,178,656/4,797,144 = 4,797,144/x
3. Step 3: Cross multiply
   3,178,656x = 4,797,144 × 4,797,144
4. Step 4: Simplify right side
   3,178,656x = 23,012,590,556,736
5. Step 5: Solve for x
   x = 23,012,590,556,736/3,178,656
6. Step 6: Final answer
   x = 7,239,723.50