Finding the Third Proportional to 2,613,718 and 5,627,912

Step by Step Solution

1. Step 1: Write the proportion equation
   2,613,718 : 5,627,912 = 5,627,912 : x
2. Step 2: Convert to fraction form
   2,613,718/5,627,912 = 5,627,912/x
3. Step 3: Cross multiply
   2,613,718x = 5,627,912 × 5,627,912
4. Step 4: Simplify right side
   2,613,718x = 31,673,393,479,744
5. Step 5: Solve for x
   x = 31,673,393,479,744/2,613,718
6. Step 6: Final answer
   x = 12,118,137.26