Finding the Third Proportional to 1,288,548 and 1,893,456

Step by Step Solution

1. Step 1: Write the proportion equation
   1,288,548 : 1,893,456 = 1,893,456 : x
2. Step 2: Convert to fraction form
   1,288,548/1,893,456 = 1,893,456/x
3. Step 3: Cross multiply
   1,288,548x = 1,893,456 × 1,893,456
4. Step 4: Simplify right side
   1,288,548x = 3,585,175,623,936
5. Step 5: Solve for x
   x = 3,585,175,623,936/1,288,548
6. Step 6: Final answer
   x = 2,782,337.66