Finding the Third Proportional to 1,591,464 and 3,256,456

Step by Step Solution

1. Step 1: Write the proportion equation
   1,591,464 : 3,256,456 = 3,256,456 : x
2. Step 2: Convert to fraction form
   1,591,464/3,256,456 = 3,256,456/x
3. Step 3: Cross multiply
   1,591,464x = 3,256,456 × 3,256,456
4. Step 4: Simplify right side
   1,591,464x = 10,604,505,679,936
5. Step 5: Solve for x
   x = 10,604,505,679,936/1,591,464
6. Step 6: Final answer
   x = 6,663,365.10