Finding the Third Proportional to 3,829,768 and 8,297,805

Step by Step Solution

1. Step 1: Write the proportion equation
   3,829,768 : 8,297,805 = 8,297,805 : x
2. Step 2: Convert to fraction form
   3,829,768/8,297,805 = 8,297,805/x
3. Step 3: Cross multiply
   3,829,768x = 8,297,805 × 8,297,805
4. Step 4: Simplify right side
   3,829,768x = 68,853,567,818,025
5. Step 5: Solve for x
   x = 68,853,567,818,025/3,829,768
6. Step 6: Final answer
   x = 17,978,521.89