Finding the Third Proportional to 1,956,586 and 4,238,870

Step by Step Solution

1. Step 1: Write the proportion equation
   1,956,586 : 4,238,870 = 4,238,870 : x
2. Step 2: Convert to fraction form
   1,956,586/4,238,870 = 4,238,870/x
3. Step 3: Cross multiply
   1,956,586x = 4,238,870 × 4,238,870
4. Step 4: Simplify right side
   1,956,586x = 17,968,018,876,900
5. Step 5: Solve for x
   x = 17,968,018,876,900/1,956,586
6. Step 6: Final answer
   x = 9,183,352.47