Finding the Third Proportional to 1,247,920 and 1,825,080

Step by Step Solution

1. Step 1: Write the proportion equation
   1,247,920 : 1,825,080 = 1,825,080 : x
2. Step 2: Convert to fraction form
   1,247,920/1,825,080 = 1,825,080/x
3. Step 3: Cross multiply
   1,247,920x = 1,825,080 × 1,825,080
4. Step 4: Simplify right side
   1,247,920x = 3,330,917,006,400
5. Step 5: Solve for x
   x = 3,330,917,006,400/1,247,920
6. Step 6: Final answer
   x = 2,669,175.11