Finding the Third Proportional to 3,557,351 and 7,910,554

Step by Step Solution

1. Step 1: Write the proportion equation
   3,557,351 : 7,910,554 = 7,910,554 : x
2. Step 2: Convert to fraction form
   3,557,351/7,910,554 = 7,910,554/x
3. Step 3: Cross multiply
   3,557,351x = 7,910,554 × 7,910,554
4. Step 4: Simplify right side
   3,557,351x = 62,576,864,586,916
5. Step 5: Solve for x
   x = 62,576,864,586,916/3,557,351
6. Step 6: Final answer
   x = 17,590,860.33