Finding the Third Proportional to 623,886 and 1,277,334

Step by Step Solution

1. Step 1: Write the proportion equation
   623,886 : 1,277,334 = 1,277,334 : x
2. Step 2: Convert to fraction form
   623,886/1,277,334 = 1,277,334/x
3. Step 3: Cross multiply
   623,886x = 1,277,334 × 1,277,334
4. Step 4: Simplify right side
   623,886x = 1,631,582,147,556
5. Step 5: Solve for x
   x = 1,631,582,147,556/623,886
6. Step 6: Final answer
   x = 2,615,192.76