Finding the Third Proportional to 2,555,223 and 5,453,238

Step by Step Solution

1. Step 1: Write the proportion equation
   2,555,223 : 5,453,238 = 5,453,238 : x
2. Step 2: Convert to fraction form
   2,555,223/5,453,238 = 5,453,238/x
3. Step 3: Cross multiply
   2,555,223x = 5,453,238 × 5,453,238
4. Step 4: Simplify right side
   2,555,223x = 29,737,804,684,644
5. Step 5: Solve for x
   x = 29,737,804,684,644/2,555,223
6. Step 6: Final answer
   x = 11,638,046.73