Finding the Third Proportional to 1,427,362 and 3,138,618

Step by Step Solution

1. Step 1: Write the proportion equation
   1,427,362 : 3,138,618 = 3,138,618 : x
2. Step 2: Convert to fraction form
   1,427,362/3,138,618 = 3,138,618/x
3. Step 3: Cross multiply
   1,427,362x = 3,138,618 × 3,138,618
4. Step 4: Simplify right side
   1,427,362x = 9,850,922,949,924
5. Step 5: Solve for x
   x = 9,850,922,949,924/1,427,362
6. Step 6: Final answer
   x = 6,901,488.87