Finding the Third Proportional to 4,823,252 and 7,677,678

Step by Step Solution

1. Step 1: Write the proportion equation
   4,823,252 : 7,677,678 = 7,677,678 : x
2. Step 2: Convert to fraction form
   4,823,252/7,677,678 = 7,677,678/x
3. Step 3: Cross multiply
   4,823,252x = 7,677,678 × 7,677,678
4. Step 4: Simplify right side
   4,823,252x = 58,946,739,471,684
5. Step 5: Solve for x
   x = 58,946,739,471,684/4,823,252
6. Step 6: Final answer
   x = 12,221,368.38