Finding the Third Proportional to 3,601,266 and 7,800,405

Step by Step Solution

1. Step 1: Write the proportion equation
   3,601,266 : 7,800,405 = 7,800,405 : x
2. Step 2: Convert to fraction form
   3,601,266/7,800,405 = 7,800,405/x
3. Step 3: Cross multiply
   3,601,266x = 7,800,405 × 7,800,405
4. Step 4: Simplify right side
   3,601,266x = 60,846,318,164,025
5. Step 5: Solve for x
   x = 60,846,318,164,025/3,601,266
6. Step 6: Final answer
   x = 16,895,813.35