Finding the Third Proportional to 2,019,469 and 4,375,405

Step by Step Solution

1. Step 1: Write the proportion equation
   2,019,469 : 4,375,405 = 4,375,405 : x
2. Step 2: Convert to fraction form
   2,019,469/4,375,405 = 4,375,405/x
3. Step 3: Cross multiply
   2,019,469x = 4,375,405 × 4,375,405
4. Step 4: Simplify right side
   2,019,469x = 19,144,168,914,025
5. Step 5: Solve for x
   x = 19,144,168,914,025/2,019,469
6. Step 6: Final answer
   x = 9,479,803.31