Finding the Third Proportional to 634,648 and 1,321,904

Step by Step Solution

1. Step 1: Write the proportion equation
   634,648 : 1,321,904 = 1,321,904 : x
2. Step 2: Convert to fraction form
   634,648/1,321,904 = 1,321,904/x
3. Step 3: Cross multiply
   634,648x = 1,321,904 × 1,321,904
4. Step 4: Simplify right side
   634,648x = 1,747,430,185,216
5. Step 5: Solve for x
   x = 1,747,430,185,216/634,648
6. Step 6: Final answer
   x = 2,753,384.85