Finding the Third Proportional to 674,218 and 1,448,492

Step by Step Solution

1. Step 1: Write the proportion equation
   674,218 : 1,448,492 = 1,448,492 : x
2. Step 2: Convert to fraction form
   674,218/1,448,492 = 1,448,492/x
3. Step 3: Cross multiply
   674,218x = 1,448,492 × 1,448,492
4. Step 4: Simplify right side
   674,218x = 2,098,129,074,064
5. Step 5: Solve for x
   x = 2,098,129,074,064/674,218
6. Step 6: Final answer
   x = 3,111,944.61