Finding the Third Proportional to 1,907,712 and 4,042,872

Step by Step Solution

1. Step 1: Write the proportion equation
   1,907,712 : 4,042,872 = 4,042,872 : x
2. Step 2: Convert to fraction form
   1,907,712/4,042,872 = 4,042,872/x
3. Step 3: Cross multiply
   1,907,712x = 4,042,872 × 4,042,872
4. Step 4: Simplify right side
   1,907,712x = 16,344,814,008,384
5. Step 5: Solve for x
   x = 16,344,814,008,384/1,907,712
6. Step 6: Final answer
   x = 8,567,757.61