Finding the Third Proportional to 1,485,817 and 3,256,448

Step by Step Solution

1. Step 1: Write the proportion equation
   1,485,817 : 3,256,448 = 3,256,448 : x
2. Step 2: Convert to fraction form
   1,485,817/3,256,448 = 3,256,448/x
3. Step 3: Cross multiply
   1,485,817x = 3,256,448 × 3,256,448
4. Step 4: Simplify right side
   1,485,817x = 10,604,453,576,704
5. Step 5: Solve for x
   x = 10,604,453,576,704/1,485,817
6. Step 6: Final answer
   x = 7,137,119.56