Finding the Third Proportional to 4,069,736 and 8,474,390

Step by Step Solution

1. Step 1: Write the proportion equation
   4,069,736 : 8,474,390 = 8,474,390 : x
2. Step 2: Convert to fraction form
   4,069,736/8,474,390 = 8,474,390/x
3. Step 3: Cross multiply
   4,069,736x = 8,474,390 × 8,474,390
4. Step 4: Simplify right side
   4,069,736x = 71,815,285,872,100
5. Step 5: Solve for x
   x = 71,815,285,872,100/4,069,736
6. Step 6: Final answer
   x = 17,646,178.00