Finding the Third Proportional to 623,909 and 1,277,314

Step by Step Solution

1. Step 1: Write the proportion equation
   623,909 : 1,277,314 = 1,277,314 : x
2. Step 2: Convert to fraction form
   623,909/1,277,314 = 1,277,314/x
3. Step 3: Cross multiply
   623,909x = 1,277,314 × 1,277,314
4. Step 4: Simplify right side
   623,909x = 1,631,531,054,596
5. Step 5: Solve for x
   x = 1,631,531,054,596/623,909
6. Step 6: Final answer
   x = 2,615,014.46