Finding the Third Proportional to 668,976 and 1,441,632

Step by Step Solution

1. Step 1: Write the proportion equation
   668,976 : 1,441,632 = 1,441,632 : x
2. Step 2: Convert to fraction form
   668,976/1,441,632 = 1,441,632/x
3. Step 3: Cross multiply
   668,976x = 1,441,632 × 1,441,632
4. Step 4: Simplify right side
   668,976x = 2,078,302,823,424
5. Step 5: Solve for x
   x = 2,078,302,823,424/668,976
6. Step 6: Final answer
   x = 3,106,692.65