Finding the Third Proportional to 635,823 and 1,380,996

Step by Step Solution

1. Step 1: Write the proportion equation
   635,823 : 1,380,996 = 1,380,996 : x
2. Step 2: Convert to fraction form
   635,823/1,380,996 = 1,380,996/x
3. Step 3: Cross multiply
   635,823x = 1,380,996 × 1,380,996
4. Step 4: Simplify right side
   635,823x = 1,907,149,952,016
5. Step 5: Solve for x
   x = 1,907,149,952,016/635,823
6. Step 6: Final answer
   x = 2,999,498.21