Finding the Third Proportional to 674,197 and 1,448,446

Step by Step Solution

1. Step 1: Write the proportion equation
   674,197 : 1,448,446 = 1,448,446 : x
2. Step 2: Convert to fraction form
   674,197/1,448,446 = 1,448,446/x
3. Step 3: Cross multiply
   674,197x = 1,448,446 × 1,448,446
4. Step 4: Simplify right side
   674,197x = 2,097,995,814,916
5. Step 5: Solve for x
   x = 2,097,995,814,916/674,197
6. Step 6: Final answer
   x = 3,111,843.89