Finding the Third Proportional to 1,640,652 and 2,567,838

Step by Step Solution

1. Step 1: Write the proportion equation
   1,640,652 : 2,567,838 = 2,567,838 : x
2. Step 2: Convert to fraction form
   1,640,652/2,567,838 = 2,567,838/x
3. Step 3: Cross multiply
   1,640,652x = 2,567,838 × 2,567,838
4. Step 4: Simplify right side
   1,640,652x = 6,593,791,994,244
5. Step 5: Solve for x
   x = 6,593,791,994,244/1,640,652
6. Step 6: Final answer
   x = 4,019,007.07