Finding the Third Proportional to 4,836,778 and 10,557,696

Step by Step Solution

1. Step 1: Write the proportion equation
   4,836,778 : 10,557,696 = 10,557,696 : x
2. Step 2: Convert to fraction form
   4,836,778/10,557,696 = 10,557,696/x
3. Step 3: Cross multiply
   4,836,778x = 10,557,696 × 10,557,696
4. Step 4: Simplify right side
   4,836,778x = 111,464,944,828,416
5. Step 5: Solve for x
   x = 111,464,944,828,416/4,836,778
6. Step 6: Final answer
   x = 23,045,288.58