Finding the Third Proportional to 2,509,515 and 5,383,287

Step by Step Solution

1. Step 1: Write the proportion equation
   2,509,515 : 5,383,287 = 5,383,287 : x
2. Step 2: Convert to fraction form
   2,509,515/5,383,287 = 5,383,287/x
3. Step 3: Cross multiply
   2,509,515x = 5,383,287 × 5,383,287
4. Step 4: Simplify right side
   2,509,515x = 28,979,778,924,369
5. Step 5: Solve for x
   x = 28,979,778,924,369/2,509,515
6. Step 6: Final answer
   x = 11,547,960.03