Finding the Third Proportional to 1,511,678 and 3,289,061

Step by Step Solution

1. Step 1: Write the proportion equation
   1,511,678 : 3,289,061 = 3,289,061 : x
2. Step 2: Convert to fraction form
   1,511,678/3,289,061 = 3,289,061/x
3. Step 3: Cross multiply
   1,511,678x = 3,289,061 × 3,289,061
4. Step 4: Simplify right side
   1,511,678x = 10,817,922,261,721
5. Step 5: Solve for x
   x = 10,817,922,261,721/1,511,678
6. Step 6: Final answer
   x = 7,156,234.50