Finding the Third Proportional to 1,854,680 and 3,908,618

Step by Step Solution

1. Step 1: Write the proportion equation
   1,854,680 : 3,908,618 = 3,908,618 : x
2. Step 2: Convert to fraction form
   1,854,680/3,908,618 = 3,908,618/x
3. Step 3: Cross multiply
   1,854,680x = 3,908,618 × 3,908,618
4. Step 4: Simplify right side
   1,854,680x = 15,277,294,669,924
5. Step 5: Solve for x
   x = 15,277,294,669,924/1,854,680
6. Step 6: Final answer
   x = 8,237,159.33