Finding the Third Proportional to 1,640,295 and 2,208,150

Step by Step Solution

1. Step 1: Write the proportion equation
   1,640,295 : 2,208,150 = 2,208,150 : x
2. Step 2: Convert to fraction form
   1,640,295/2,208,150 = 2,208,150/x
3. Step 3: Cross multiply
   1,640,295x = 2,208,150 × 2,208,150
4. Step 4: Simplify right side
   1,640,295x = 4,875,926,422,500
5. Step 5: Solve for x
   x = 4,875,926,422,500/1,640,295
6. Step 6: Final answer
   x = 2,972,591.16