Finding the Third Proportional to 3,872,844 and 8,188,938

Step by Step Solution

1. Step 1: Write the proportion equation
   3,872,844 : 8,188,938 = 8,188,938 : x
2. Step 2: Convert to fraction form
   3,872,844/8,188,938 = 8,188,938/x
3. Step 3: Cross multiply
   3,872,844x = 8,188,938 × 8,188,938
4. Step 4: Simplify right side
   3,872,844x = 67,058,705,567,844
5. Step 5: Solve for x
   x = 67,058,705,567,844/3,872,844
6. Step 6: Final answer
   x = 17,315,106.31