Finding the Third Proportional to 9,078,612 and 19,452,405

Step by Step Solution

1. Step 1: Write the proportion equation
   9,078,612 : 19,452,405 = 19,452,405 : x
2. Step 2: Convert to fraction form
   9,078,612/19,452,405 = 19,452,405/x
3. Step 3: Cross multiply
   9,078,612x = 19,452,405 × 19,452,405
4. Step 4: Simplify right side
   9,078,612x = 378,396,060,284,025
5. Step 5: Solve for x
   x = 378,396,060,284,025/9,078,612
6. Step 6: Final answer
   x = 41,679,946.26