Finding the Third Proportional to 2,554,164 and 5,455,329

Step by Step Solution

1. Step 1: Write the proportion equation
   2,554,164 : 5,455,329 = 5,455,329 : x
2. Step 2: Convert to fraction form
   2,554,164/5,455,329 = 5,455,329/x
3. Step 3: Cross multiply
   2,554,164x = 5,455,329 × 5,455,329
4. Step 4: Simplify right side
   2,554,164x = 29,760,614,498,241
5. Step 5: Solve for x
   x = 29,760,614,498,241/2,554,164
6. Step 6: Final answer
   x = 11,651,802.51