Finding the Third Proportional to 1,099,606 and 1,702,618

Step by Step Solution

1. Step 1: Write the proportion equation
   1,099,606 : 1,702,618 = 1,702,618 : x
2. Step 2: Convert to fraction form
   1,099,606/1,702,618 = 1,702,618/x
3. Step 3: Cross multiply
   1,099,606x = 1,702,618 × 1,702,618
4. Step 4: Simplify right side
   1,099,606x = 2,898,908,053,924
5. Step 5: Solve for x
   x = 2,898,908,053,924/1,099,606
6. Step 6: Final answer
   x = 2,636,315.24