Finding the Third Proportional to 1,129,198 and 1,609,618

Step by Step Solution

1. Step 1: Write the proportion equation
   1,129,198 : 1,609,618 = 1,609,618 : x
2. Step 2: Convert to fraction form
   1,129,198/1,609,618 = 1,609,618/x
3. Step 3: Cross multiply
   1,129,198x = 1,609,618 × 1,609,618
4. Step 4: Simplify right side
   1,129,198x = 2,590,870,105,924
5. Step 5: Solve for x
   x = 2,590,870,105,924/1,129,198
6. Step 6: Final answer
   x = 2,294,433.84