Finding the Third Proportional to 2,989,656 and 7,018,698

Step by Step Solution

1. Step 1: Write the proportion equation
   2,989,656 : 7,018,698 = 7,018,698 : x
2. Step 2: Convert to fraction form
   2,989,656/7,018,698 = 7,018,698/x
3. Step 3: Cross multiply
   2,989,656x = 7,018,698 × 7,018,698
4. Step 4: Simplify right side
   2,989,656x = 49,262,121,615,204
5. Step 5: Solve for x
   x = 49,262,121,615,204/2,989,656
6. Step 6: Final answer
   x = 16,477,521.70