Finding the Third Proportional to 5,671,215 and 12,444,678

Step by Step Solution

1. Step 1: Write the proportion equation
   5,671,215 : 12,444,678 = 12,444,678 : x
2. Step 2: Convert to fraction form
   5,671,215/12,444,678 = 12,444,678/x
3. Step 3: Cross multiply
   5,671,215x = 12,444,678 × 12,444,678
4. Step 4: Simplify right side
   5,671,215x = 154,870,010,523,684
5. Step 5: Solve for x
   x = 154,870,010,523,684/5,671,215
6. Step 6: Final answer
   x = 27,308,083.10