Finding the Third Proportional to 1,892,864 and 4,128,291

Step by Step Solution

1. Step 1: Write the proportion equation
   1,892,864 : 4,128,291 = 4,128,291 : x
2. Step 2: Convert to fraction form
   1,892,864/4,128,291 = 4,128,291/x
3. Step 3: Cross multiply
   1,892,864x = 4,128,291 × 4,128,291
4. Step 4: Simplify right side
   1,892,864x = 17,042,786,580,681
5. Step 5: Solve for x
   x = 17,042,786,580,681/1,892,864
6. Step 6: Final answer
   x = 9,003,703.69