Finding the Third Proportional to 1,648,112 and 2,551,618

Step by Step Solution

1. Step 1: Write the proportion equation
   1,648,112 : 2,551,618 = 2,551,618 : x
2. Step 2: Convert to fraction form
   1,648,112/2,551,618 = 2,551,618/x
3. Step 3: Cross multiply
   1,648,112x = 2,551,618 × 2,551,618
4. Step 4: Simplify right side
   1,648,112x = 6,510,754,417,924
5. Step 5: Solve for x
   x = 6,510,754,417,924/1,648,112
6. Step 6: Final answer
   x = 3,950,432.02