Finding the Third Proportional to 633,486 and 1,408,632

Step by Step Solution

1. Step 1: Write the proportion equation
   633,486 : 1,408,632 = 1,408,632 : x
2. Step 2: Convert to fraction form
   633,486/1,408,632 = 1,408,632/x
3. Step 3: Cross multiply
   633,486x = 1,408,632 × 1,408,632
4. Step 4: Simplify right side
   633,486x = 1,984,244,111,424
5. Step 5: Solve for x
   x = 1,984,244,111,424/633,486
6. Step 6: Final answer
   x = 3,132,261.98