Finding the Third Proportional to 601,392 and 1,398,456

Step by Step Solution

1. Step 1: Write the proportion equation
   601,392 : 1,398,456 = 1,398,456 : x
2. Step 2: Convert to fraction form
   601,392/1,398,456 = 1,398,456/x
3. Step 3: Cross multiply
   601,392x = 1,398,456 × 1,398,456
4. Step 4: Simplify right side
   601,392x = 1,955,679,183,936
5. Step 5: Solve for x
   x = 1,955,679,183,936/601,392
6. Step 6: Final answer
   x = 3,251,920.85