Finding the Third Proportional to 2,492,478 and 5,422,356

Step by Step Solution

1. Step 1: Write the proportion equation
   2,492,478 : 5,422,356 = 5,422,356 : x
2. Step 2: Convert to fraction form
   2,492,478/5,422,356 = 5,422,356/x
3. Step 3: Cross multiply
   2,492,478x = 5,422,356 × 5,422,356
4. Step 4: Simplify right side
   2,492,478x = 29,401,944,590,736
5. Step 5: Solve for x
   x = 29,401,944,590,736/2,492,478
6. Step 6: Final answer
   x = 11,796,270.45