Finding the Third Proportional to 1,640,648 and 2,567,832

Step by Step Solution

1. Step 1: Write the proportion equation
   1,640,648 : 2,567,832 = 2,567,832 : x
2. Step 2: Convert to fraction form
   1,640,648/2,567,832 = 2,567,832/x
3. Step 3: Cross multiply
   1,640,648x = 2,567,832 × 2,567,832
4. Step 4: Simplify right side
   1,640,648x = 6,593,761,180,224
5. Step 5: Solve for x
   x = 6,593,761,180,224/1,640,648
6. Step 6: Final answer
   x = 4,018,998.09