Finding the Third Proportional to 554,144 and 1,211,968

Step by Step Solution

1. Step 1: Write the proportion equation
   554,144 : 1,211,968 = 1,211,968 : x
2. Step 2: Convert to fraction form
   554,144/1,211,968 = 1,211,968/x
3. Step 3: Cross multiply
   554,144x = 1,211,968 × 1,211,968
4. Step 4: Simplify right side
   554,144x = 1,468,866,433,024
5. Step 5: Solve for x
   x = 1,468,866,433,024/554,144
6. Step 6: Final answer
   x = 2,650,694.46