Finding the Third Proportional to 111,653 and 151,618

Step by Step Solution

1. Step 1: Write the proportion equation
   111,653 : 151,618 = 151,618 : x
2. Step 2: Convert to fraction form
   111,653/151,618 = 151,618/x
3. Step 3: Cross multiply
   111,653x = 151,618 × 151,618
4. Step 4: Simplify right side
   111,653x = 22,988,017,924
5. Step 5: Solve for x
   x = 22,988,017,924/111,653
6. Step 6: Final answer
   x = 205,888.05