Finding the Third Proportional to 10,644,264 and 16,678,494

Step by Step Solution

1. Step 1: Write the proportion equation
   10,644,264 : 16,678,494 = 16,678,494 : x
2. Step 2: Convert to fraction form
   10,644,264/16,678,494 = 16,678,494/x
3. Step 3: Cross multiply
   10,644,264x = 16,678,494 × 16,678,494
4. Step 4: Simplify right side
   10,644,264x = 278,172,162,108,036
5. Step 5: Solve for x
   x = 278,172,162,108,036/10,644,264
6. Step 6: Final answer
   x = 26,133,527.14