Finding the Third Proportional to 3,288,557 and 7,174,705

Step by Step Solution

1. Step 1: Write the proportion equation
   3,288,557 : 7,174,705 = 7,174,705 : x
2. Step 2: Convert to fraction form
   3,288,557/7,174,705 = 7,174,705/x
3. Step 3: Cross multiply
   3,288,557x = 7,174,705 × 7,174,705
4. Step 4: Simplify right side
   3,288,557x = 51,476,391,837,025
5. Step 5: Solve for x
   x = 51,476,391,837,025/3,288,557
6. Step 6: Final answer
   x = 15,653,185.22