Finding the Third Proportional to 1,456,560 and 2,205,080

Step by Step Solution

1. Step 1: Write the proportion equation
   1,456,560 : 2,205,080 = 2,205,080 : x
2. Step 2: Convert to fraction form
   1,456,560/2,205,080 = 2,205,080/x
3. Step 3: Cross multiply
   1,456,560x = 2,205,080 × 2,205,080
4. Step 4: Simplify right side
   1,456,560x = 4,862,377,806,400
5. Step 5: Solve for x
   x = 4,862,377,806,400/1,456,560
6. Step 6: Final answer
   x = 3,338,261.25