Finding the Third Proportional to 624,448 and 1,343,618

Step by Step Solution

1. Step 1: Write the proportion equation
   624,448 : 1,343,618 = 1,343,618 : x
2. Step 2: Convert to fraction form
   624,448/1,343,618 = 1,343,618/x
3. Step 3: Cross multiply
   624,448x = 1,343,618 × 1,343,618
4. Step 4: Simplify right side
   624,448x = 1,805,309,329,924
5. Step 5: Solve for x
   x = 1,805,309,329,924/624,448
6. Step 6: Final answer
   x = 2,891,048.30