Finding the Third Proportional to 1,369,846 and 2,181,618

Step by Step Solution

1. Step 1: Write the proportion equation
   1,369,846 : 2,181,618 = 2,181,618 : x
2. Step 2: Convert to fraction form
   1,369,846/2,181,618 = 2,181,618/x
3. Step 3: Cross multiply
   1,369,846x = 2,181,618 × 2,181,618
4. Step 4: Simplify right side
   1,369,846x = 4,759,457,097,924
5. Step 5: Solve for x
   x = 4,759,457,097,924/1,369,846
6. Step 6: Final answer
   x = 3,474,446.83