Finding the Third Proportional to 2,534,879 and 5,636,509

Step by Step Solution

1. Step 1: Write the proportion equation
   2,534,879 : 5,636,509 = 5,636,509 : x
2. Step 2: Convert to fraction form
   2,534,879/5,636,509 = 5,636,509/x
3. Step 3: Cross multiply
   2,534,879x = 5,636,509 × 5,636,509
4. Step 4: Simplify right side
   2,534,879x = 31,770,233,707,081
5. Step 5: Solve for x
   x = 31,770,233,707,081/2,534,879
6. Step 6: Final answer
   x = 12,533,234.80