Finding the Third Proportional to 4,069,771 and 8,474,455

Step by Step Solution

1. Step 1: Write the proportion equation
   4,069,771 : 8,474,455 = 8,474,455 : x
2. Step 2: Convert to fraction form
   4,069,771/8,474,455 = 8,474,455/x
3. Step 3: Cross multiply
   4,069,771x = 8,474,455 × 8,474,455
4. Step 4: Simplify right side
   4,069,771x = 71,816,387,547,025
5. Step 5: Solve for x
   x = 71,816,387,547,025/4,069,771
6. Step 6: Final answer
   x = 17,646,296.94