Finding the Third Proportional to 1,640,624 and 2,567,796

Step by Step Solution

1. Step 1: Write the proportion equation
   1,640,624 : 2,567,796 = 2,567,796 : x
2. Step 2: Convert to fraction form
   1,640,624/2,567,796 = 2,567,796/x
3. Step 3: Cross multiply
   1,640,624x = 2,567,796 × 2,567,796
4. Step 4: Simplify right side
   1,640,624x = 6,593,576,297,616
5. Step 5: Solve for x
   x = 6,593,576,297,616/1,640,624
6. Step 6: Final answer
   x = 4,018,944.19