Finding the Third Proportional to 674,658 and 1,449,359

Step by Step Solution

1. Step 1: Write the proportion equation
   674,658 : 1,449,359 = 1,449,359 : x
2. Step 2: Convert to fraction form
   674,658/1,449,359 = 1,449,359/x
3. Step 3: Cross multiply
   674,658x = 1,449,359 × 1,449,359
4. Step 4: Simplify right side
   674,658x = 2,100,641,510,881
5. Step 5: Solve for x
   x = 2,100,641,510,881/674,658
6. Step 6: Final answer
   x = 3,113,639.07