Finding the Third Proportional to 1,254,408 and 1,893,288

Step by Step Solution

1. Step 1: Write the proportion equation
   1,254,408 : 1,893,288 = 1,893,288 : x
2. Step 2: Convert to fraction form
   1,254,408/1,893,288 = 1,893,288/x
3. Step 3: Cross multiply
   1,254,408x = 1,893,288 × 1,893,288
4. Step 4: Simplify right side
   1,254,408x = 3,584,539,450,944
5. Step 5: Solve for x
   x = 3,584,539,450,944/1,254,408
6. Step 6: Final answer
   x = 2,857,554.68