Finding the Third Proportional to 1,277,175 and 1,963,689

Step by Step Solution

1. Step 1: Write the proportion equation
   1,277,175 : 1,963,689 = 1,963,689 : x
2. Step 2: Convert to fraction form
   1,277,175/1,963,689 = 1,963,689/x
3. Step 3: Cross multiply
   1,277,175x = 1,963,689 × 1,963,689
4. Step 4: Simplify right side
   1,277,175x = 3,856,074,488,721
5. Step 5: Solve for x
   x = 3,856,074,488,721/1,277,175
6. Step 6: Final answer
   x = 3,019,221.71