Finding the Third Proportional to 3,985,210 and 8,253,988

Step by Step Solution

1. Step 1: Write the proportion equation
   3,985,210 : 8,253,988 = 8,253,988 : x
2. Step 2: Convert to fraction form
   3,985,210/8,253,988 = 8,253,988/x
3. Step 3: Cross multiply
   3,985,210x = 8,253,988 × 8,253,988
4. Step 4: Simplify right side
   3,985,210x = 68,128,317,904,144
5. Step 5: Solve for x
   x = 68,128,317,904,144/3,985,210
6. Step 6: Final answer
   x = 17,095,289.31