Finding the Third Proportional to 623,112 and 933,616

Step by Step Solution

1. Step 1: Write the proportion equation
   623,112 : 933,616 = 933,616 : x
2. Step 2: Convert to fraction form
   623,112/933,616 = 933,616/x
3. Step 3: Cross multiply
   623,112x = 933,616 × 933,616
4. Step 4: Simplify right side
   623,112x = 871,638,835,456
5. Step 5: Solve for x
   x = 871,638,835,456/623,112
6. Step 6: Final answer
   x = 1,398,847.78