Finding the Third Proportional to 2,118,891 and 4,598,997

Step by Step Solution

1. Step 1: Write the proportion equation
   2,118,891 : 4,598,997 = 4,598,997 : x
2. Step 2: Convert to fraction form
   2,118,891/4,598,997 = 4,598,997/x
3. Step 3: Cross multiply
   2,118,891x = 4,598,997 × 4,598,997
4. Step 4: Simplify right side
   2,118,891x = 21,150,773,406,009
5. Step 5: Solve for x
   x = 21,150,773,406,009/2,118,891
6. Step 6: Final answer
   x = 9,982,001.63