Finding the Third Proportional to 2,503,242 and 5,383,721.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,503,242 : 5,383,721.25 = 5,383,721.25 : x
2. Step 2: Convert to fraction form
   2,503,242/5,383,721.25 = 5,383,721.25/x
3. Step 3: Cross multiply
   2,503,242x = 5,383,721.25 × 5,383,721.25
4. Step 4: Simplify right side
   2,503,242x = 28,984,454,497,701.56
5. Step 5: Solve for x
   x = 28,984,454,497,701.56/2,503,242
6. Step 6: Final answer
   x = 11,578,766.45