Finding the Third Proportional to 3,845,992 and 8,206,840

Step by Step Solution

1. Step 1: Write the proportion equation
   3,845,992 : 8,206,840 = 8,206,840 : x
2. Step 2: Convert to fraction form
   3,845,992/8,206,840 = 8,206,840/x
3. Step 3: Cross multiply
   3,845,992x = 8,206,840 × 8,206,840
4. Step 4: Simplify right side
   3,845,992x = 67,352,222,785,600
5. Step 5: Solve for x
   x = 67,352,222,785,600/3,845,992
6. Step 6: Final answer
   x = 17,512,314.84