Finding the Third Proportional to 2,289,388 and 4,972,418

Step by Step Solution

1. Step 1: Write the proportion equation
   2,289,388 : 4,972,418 = 4,972,418 : x
2. Step 2: Convert to fraction form
   2,289,388/4,972,418 = 4,972,418/x
3. Step 3: Cross multiply
   2,289,388x = 4,972,418 × 4,972,418
4. Step 4: Simplify right side
   2,289,388x = 24,724,940,766,724
5. Step 5: Solve for x
   x = 24,724,940,766,724/2,289,388
6. Step 6: Final answer
   x = 10,799,803.60