Finding the Third Proportional to 623,908 and 1,277,386

Step by Step Solution

1. Step 1: Write the proportion equation
   623,908 : 1,277,386 = 1,277,386 : x
2. Step 2: Convert to fraction form
   623,908/1,277,386 = 1,277,386/x
3. Step 3: Cross multiply
   623,908x = 1,277,386 × 1,277,386
4. Step 4: Simplify right side
   623,908x = 1,631,714,992,996
5. Step 5: Solve for x
   x = 1,631,714,992,996/623,908
6. Step 6: Final answer
   x = 2,615,313.46