Finding the Third Proportional to 1,591,536 and 3,256,616

Step by Step Solution

1. Step 1: Write the proportion equation
   1,591,536 : 3,256,616 = 3,256,616 : x
2. Step 2: Convert to fraction form
   1,591,536/3,256,616 = 3,256,616/x
3. Step 3: Cross multiply
   1,591,536x = 3,256,616 × 3,256,616
4. Step 4: Simplify right side
   1,591,536x = 10,605,547,771,456
5. Step 5: Solve for x
   x = 10,605,547,771,456/1,591,536
6. Step 6: Final answer
   x = 6,663,718.43