Finding the Third Proportional to 4,786,137 and 10,245,030

Step by Step Solution

1. Step 1: Write the proportion equation
   4,786,137 : 10,245,030 = 10,245,030 : x
2. Step 2: Convert to fraction form
   4,786,137/10,245,030 = 10,245,030/x
3. Step 3: Cross multiply
   4,786,137x = 10,245,030 × 10,245,030
4. Step 4: Simplify right side
   4,786,137x = 104,960,639,700,900
5. Step 5: Solve for x
   x = 104,960,639,700,900/4,786,137
6. Step 6: Final answer
   x = 21,930,136.91