Finding the Third Proportional to 674,216 and 1,448,488

Step by Step Solution

1. Step 1: Write the proportion equation
   674,216 : 1,448,488 = 1,448,488 : x
2. Step 2: Convert to fraction form
   674,216/1,448,488 = 1,448,488/x
3. Step 3: Cross multiply
   674,216x = 1,448,488 × 1,448,488
4. Step 4: Simplify right side
   674,216x = 2,098,117,486,144
5. Step 5: Solve for x
   x = 2,098,117,486,144/674,216
6. Step 6: Final answer
   x = 3,111,936.66