Finding the Third Proportional to 714,288 and 1,080,648

Step by Step Solution

1. Step 1: Write the proportion equation
   714,288 : 1,080,648 = 1,080,648 : x
2. Step 2: Convert to fraction form
   714,288/1,080,648 = 1,080,648/x
3. Step 3: Cross multiply
   714,288x = 1,080,648 × 1,080,648
4. Step 4: Simplify right side
   714,288x = 1,167,800,099,904
5. Step 5: Solve for x
   x = 1,167,800,099,904/714,288
6. Step 6: Final answer
   x = 1,634,914.91