Finding the Third Proportional to 4,786,140 and 10,245,036

Step by Step Solution

1. Step 1: Write the proportion equation
   4,786,140 : 10,245,036 = 10,245,036 : x
2. Step 2: Convert to fraction form
   4,786,140/10,245,036 = 10,245,036/x
3. Step 3: Cross multiply
   4,786,140x = 10,245,036 × 10,245,036
4. Step 4: Simplify right side
   4,786,140x = 104,960,762,641,296
5. Step 5: Solve for x
   x = 104,960,762,641,296/4,786,140
6. Step 6: Final answer
   x = 21,930,148.86