Finding the Third Proportional to 4,972,635 and 7,018,842

Step by Step Solution

1. Step 1: Write the proportion equation
   4,972,635 : 7,018,842 = 7,018,842 : x
2. Step 2: Convert to fraction form
   4,972,635/7,018,842 = 7,018,842/x
3. Step 3: Cross multiply
   4,972,635x = 7,018,842 × 7,018,842
4. Step 4: Simplify right side
   4,972,635x = 49,264,143,020,964
5. Step 5: Solve for x
   x = 49,264,143,020,964/4,972,635
6. Step 6: Final answer
   x = 9,907,049.89