Finding the Third Proportional to 3,857,764 and 8,246,996

Step by Step Solution

1. Step 1: Write the proportion equation
   3,857,764 : 8,246,996 = 8,246,996 : x
2. Step 2: Convert to fraction form
   3,857,764/8,246,996 = 8,246,996/x
3. Step 3: Cross multiply
   3,857,764x = 8,246,996 × 8,246,996
4. Step 4: Simplify right side
   3,857,764x = 68,012,943,024,016
5. Step 5: Solve for x
   x = 68,012,943,024,016/3,857,764
6. Step 6: Final answer
   x = 17,630,146.12