Finding the Third Proportional to 798,480 and 1,200,960

Step by Step Solution

1. Step 1: Write the proportion equation
   798,480 : 1,200,960 = 1,200,960 : x
2. Step 2: Convert to fraction form
   798,480/1,200,960 = 1,200,960/x
3. Step 3: Cross multiply
   798,480x = 1,200,960 × 1,200,960
4. Step 4: Simplify right side
   798,480x = 1,442,304,921,600
5. Step 5: Solve for x
   x = 1,442,304,921,600/798,480
6. Step 6: Final answer
   x = 1,806,313.15