Finding the Third Proportional to 17,992,401 and 39,179,442

Step by Step Solution

1. Step 1: Write the proportion equation
   17,992,401 : 39,179,442 = 39,179,442 : x
2. Step 2: Convert to fraction form
   17,992,401/39,179,442 = 39,179,442/x
3. Step 3: Cross multiply
   17,992,401x = 39,179,442 × 39,179,442
4. Step 4: Simplify right side
   17,992,401x = 1,535,028,675,431,364
5. Step 5: Solve for x
   x = 1,535,028,675,431,364/17,992,401
6. Step 6: Final answer
   x = 85,315,388.17