Finding the Third Proportional to 2,118,891 and 4,598,994

Step by Step Solution

1. Step 1: Write the proportion equation
   2,118,891 : 4,598,994 = 4,598,994 : x
2. Step 2: Convert to fraction form
   2,118,891/4,598,994 = 4,598,994/x
3. Step 3: Cross multiply
   2,118,891x = 4,598,994 × 4,598,994
4. Step 4: Simplify right side
   2,118,891x = 21,150,745,812,036
5. Step 5: Solve for x
   x = 21,150,745,812,036/2,118,891
6. Step 6: Final answer
   x = 9,981,988.60