Finding the Third Proportional to 3,946,068 and 8,491,032

Step by Step Solution

1. Step 1: Write the proportion equation
   3,946,068 : 8,491,032 = 8,491,032 : x
2. Step 2: Convert to fraction form
   3,946,068/8,491,032 = 8,491,032/x
3. Step 3: Cross multiply
   3,946,068x = 8,491,032 × 8,491,032
4. Step 4: Simplify right side
   3,946,068x = 72,097,624,425,024
5. Step 5: Solve for x
   x = 72,097,624,425,024/3,946,068
6. Step 6: Final answer
   x = 18,270,750.64