Finding the Third Proportional to 2,503,146 and 5,383,554

Step by Step Solution

1. Step 1: Write the proportion equation
   2,503,146 : 5,383,554 = 5,383,554 : x
2. Step 2: Convert to fraction form
   2,503,146/5,383,554 = 5,383,554/x
3. Step 3: Cross multiply
   2,503,146x = 5,383,554 × 5,383,554
4. Step 4: Simplify right side
   2,503,146x = 28,982,653,670,916
5. Step 5: Solve for x
   x = 28,982,653,670,916/2,503,146
6. Step 6: Final answer
   x = 11,578,491.10