Finding the Third Proportional to 603,648 and 1,256,904

Step by Step Solution

1. Step 1: Write the proportion equation
   603,648 : 1,256,904 = 1,256,904 : x
2. Step 2: Convert to fraction form
   603,648/1,256,904 = 1,256,904/x
3. Step 3: Cross multiply
   603,648x = 1,256,904 × 1,256,904
4. Step 4: Simplify right side
   603,648x = 1,579,807,665,216
5. Step 5: Solve for x
   x = 1,579,807,665,216/603,648
6. Step 6: Final answer
   x = 2,617,100.80