Finding the Third Proportional to 1,578,496 and 3,409,212

Step by Step Solution

1. Step 1: Write the proportion equation
   1,578,496 : 3,409,212 = 3,409,212 : x
2. Step 2: Convert to fraction form
   1,578,496/3,409,212 = 3,409,212/x
3. Step 3: Cross multiply
   1,578,496x = 3,409,212 × 3,409,212
4. Step 4: Simplify right side
   1,578,496x = 11,622,726,460,944
5. Step 5: Solve for x
   x = 11,622,726,460,944/1,578,496
6. Step 6: Final answer
   x = 7,363,164.98