Finding the Third Proportional to 2,118,618 and 3,241,507

Step by Step Solution

1. Step 1: Write the proportion equation
   2,118,618 : 3,241,507 = 3,241,507 : x
2. Step 2: Convert to fraction form
   2,118,618/3,241,507 = 3,241,507/x
3. Step 3: Cross multiply
   2,118,618x = 3,241,507 × 3,241,507
4. Step 4: Simplify right side
   2,118,618x = 10,507,367,631,049
5. Step 5: Solve for x
   x = 10,507,367,631,049/2,118,618
6. Step 6: Final answer
   x = 4,959,538.54