Finding the Third Proportional to 3,985,206 and 8,253,980

Step by Step Solution

1. Step 1: Write the proportion equation
   3,985,206 : 8,253,980 = 8,253,980 : x
2. Step 2: Convert to fraction form
   3,985,206/8,253,980 = 8,253,980/x
3. Step 3: Cross multiply
   3,985,206x = 8,253,980 × 8,253,980
4. Step 4: Simplify right side
   3,985,206x = 68,128,185,840,400
5. Step 5: Solve for x
   x = 68,128,185,840,400/3,985,206
6. Step 6: Final answer
   x = 17,095,273.33