Finding the Third Proportional to 1,687,491 and 2,613,618

Step by Step Solution

1. Step 1: Write the proportion equation
   1,687,491 : 2,613,618 = 2,613,618 : x
2. Step 2: Convert to fraction form
   1,687,491/2,613,618 = 2,613,618/x
3. Step 3: Cross multiply
   1,687,491x = 2,613,618 × 2,613,618
4. Step 4: Simplify right side
   1,687,491x = 6,830,999,049,924
5. Step 5: Solve for x
   x = 6,830,999,049,924/1,687,491
6. Step 6: Final answer
   x = 4,048,021.03