Finding the Third Proportional to 4,062,919 and 8,440,764

Step by Step Solution

1. Step 1: Write the proportion equation
   4,062,919 : 8,440,764 = 8,440,764 : x
2. Step 2: Convert to fraction form
   4,062,919/8,440,764 = 8,440,764/x
3. Step 3: Cross multiply
   4,062,919x = 8,440,764 × 8,440,764
4. Step 4: Simplify right side
   4,062,919x = 71,246,496,903,696
5. Step 5: Solve for x
   x = 71,246,496,903,696/4,062,919
6. Step 6: Final answer
   x = 17,535,790.62