Finding the Third Proportional to 2,503,140 and 5,383,536

Step by Step Solution

1. Step 1: Write the proportion equation
   2,503,140 : 5,383,536 = 5,383,536 : x
2. Step 2: Convert to fraction form
   2,503,140/5,383,536 = 5,383,536/x
3. Step 3: Cross multiply
   2,503,140x = 5,383,536 × 5,383,536
4. Step 4: Simplify right side
   2,503,140x = 28,982,459,863,296
5. Step 5: Solve for x
   x = 28,982,459,863,296/2,503,140
6. Step 6: Final answer
   x = 11,578,441.42