Finding the Third Proportional to 623,118 and 933,636

Step by Step Solution

1. Step 1: Write the proportion equation
   623,118 : 933,636 = 933,636 : x
2. Step 2: Convert to fraction form
   623,118/933,636 = 933,636/x
3. Step 3: Cross multiply
   623,118x = 933,636 × 933,636
4. Step 4: Simplify right side
   623,118x = 871,676,180,496
5. Step 5: Solve for x
   x = 871,676,180,496/623,118
6. Step 6: Final answer
   x = 1,398,894.24