Finding the Third Proportional to 3,946,069 and 8,491,034

Step by Step Solution

1. Step 1: Write the proportion equation
   3,946,069 : 8,491,034 = 8,491,034 : x
2. Step 2: Convert to fraction form
   3,946,069/8,491,034 = 8,491,034/x
3. Step 3: Cross multiply
   3,946,069x = 8,491,034 × 8,491,034
4. Step 4: Simplify right side
   3,946,069x = 72,097,658,389,156
5. Step 5: Solve for x
   x = 72,097,658,389,156/3,946,069
6. Step 6: Final answer
   x = 18,270,754.61