Finding the Third Proportional to 2,489,425 and 5,460,770

Step by Step Solution

1. Step 1: Write the proportion equation
   2,489,425 : 5,460,770 = 5,460,770 : x
2. Step 2: Convert to fraction form
   2,489,425/5,460,770 = 5,460,770/x
3. Step 3: Cross multiply
   2,489,425x = 5,460,770 × 5,460,770
4. Step 4: Simplify right side
   2,489,425x = 29,820,008,992,900
5. Step 5: Solve for x
   x = 29,820,008,992,900/2,489,425
6. Step 6: Final answer
   x = 11,978,673.39