Finding the Third Proportional to 1,273,304 and 1,987,440

Step by Step Solution

1. Step 1: Write the proportion equation
   1,273,304 : 1,987,440 = 1,987,440 : x
2. Step 2: Convert to fraction form
   1,273,304/1,987,440 = 1,987,440/x
3. Step 3: Cross multiply
   1,273,304x = 1,987,440 × 1,987,440
4. Step 4: Simplify right side
   1,273,304x = 3,949,917,753,600
5. Step 5: Solve for x
   x = 3,949,917,753,600/1,273,304
6. Step 6: Final answer
   x = 3,102,101.11