Finding the Third Proportional to 4,069,751 and 8,474,405

Step by Step Solution

1. Step 1: Write the proportion equation
   4,069,751 : 8,474,405 = 8,474,405 : x
2. Step 2: Convert to fraction form
   4,069,751/8,474,405 = 8,474,405/x
3. Step 3: Cross multiply
   4,069,751x = 8,474,405 × 8,474,405
4. Step 4: Simplify right side
   4,069,751x = 71,815,540,104,025
5. Step 5: Solve for x
   x = 71,815,540,104,025/4,069,751
6. Step 6: Final answer
   x = 17,646,175.43