Finding the Third Proportional to 2,509,509 and 5,383,275

Step by Step Solution

1. Step 1: Write the proportion equation
   2,509,509 : 5,383,275 = 5,383,275 : x
2. Step 2: Convert to fraction form
   2,509,509/5,383,275 = 5,383,275/x
3. Step 3: Cross multiply
   2,509,509x = 5,383,275 × 5,383,275
4. Step 4: Simplify right side
   2,509,509x = 28,979,649,725,625
5. Step 5: Solve for x
   x = 28,979,649,725,625/2,509,509
6. Step 6: Final answer
   x = 11,547,936.16