Finding the Third Proportional to 4,668,858 and 7,003,286

Step by Step Solution

1. Step 1: Write the proportion equation
   4,668,858 : 7,003,286 = 7,003,286 : x
2. Step 2: Convert to fraction form
   4,668,858/7,003,286 = 7,003,286/x
3. Step 3: Cross multiply
   4,668,858x = 7,003,286 × 7,003,286
4. Step 4: Simplify right side
   4,668,858x = 49,046,014,797,796
5. Step 5: Solve for x
   x = 49,046,014,797,796/4,668,858
6. Step 6: Final answer
   x = 10,504,927.50