Finding the Third Proportional to 1,115,520 and 1,675,824

Step by Step Solution

1. Step 1: Write the proportion equation
   1,115,520 : 1,675,824 = 1,675,824 : x
2. Step 2: Convert to fraction form
   1,115,520/1,675,824 = 1,675,824/x
3. Step 3: Cross multiply
   1,115,520x = 1,675,824 × 1,675,824
4. Step 4: Simplify right side
   1,115,520x = 2,808,386,078,976
5. Step 5: Solve for x
   x = 2,808,386,078,976/1,115,520
6. Step 6: Final answer
   x = 2,517,557.80