Finding the Third Proportional to 603,648 and 1,275,840

Step by Step Solution

1. Step 1: Write the proportion equation
   603,648 : 1,275,840 = 1,275,840 : x
2. Step 2: Convert to fraction form
   603,648/1,275,840 = 1,275,840/x
3. Step 3: Cross multiply
   603,648x = 1,275,840 × 1,275,840
4. Step 4: Simplify right side
   603,648x = 1,627,767,705,600
5. Step 5: Solve for x
   x = 1,627,767,705,600/603,648
6. Step 6: Final answer
   x = 2,696,551.15