Finding the Third Proportional to 4,628,618 and 7,166,223

Step by Step Solution

1. Step 1: Write the proportion equation
   4,628,618 : 7,166,223 = 7,166,223 : x
2. Step 2: Convert to fraction form
   4,628,618/7,166,223 = 7,166,223/x
3. Step 3: Cross multiply
   4,628,618x = 7,166,223 × 7,166,223
4. Step 4: Simplify right side
   4,628,618x = 51,354,752,085,729
5. Step 5: Solve for x
   x = 51,354,752,085,729/4,628,618
6. Step 6: Final answer
   x = 11,095,050.85