Finding the Third Proportional to 4,972,628 and 7,018,838

Step by Step Solution

1. Step 1: Write the proportion equation
   4,972,628 : 7,018,838 = 7,018,838 : x
2. Step 2: Convert to fraction form
   4,972,628/7,018,838 = 7,018,838/x
3. Step 3: Cross multiply
   4,972,628x = 7,018,838 × 7,018,838
4. Step 4: Simplify right side
   4,972,628x = 49,264,086,870,244
5. Step 5: Solve for x
   x = 49,264,086,870,244/4,972,628
6. Step 6: Final answer
   x = 9,907,052.54