Finding the Third Proportional to 1,590,678 and 2,409,183

Step by Step Solution

1. Step 1: Write the proportion equation
   1,590,678 : 2,409,183 = 2,409,183 : x
2. Step 2: Convert to fraction form
   1,590,678/2,409,183 = 2,409,183/x
3. Step 3: Cross multiply
   1,590,678x = 2,409,183 × 2,409,183
4. Step 4: Simplify right side
   1,590,678x = 5,804,162,727,489
5. Step 5: Solve for x
   x = 5,804,162,727,489/1,590,678
6. Step 6: Final answer
   x = 3,648,860.88