Finding the Third Proportional to 3,621,696 and 7,675,128

Step by Step Solution

1. Step 1: Write the proportion equation
   3,621,696 : 7,675,128 = 7,675,128 : x
2. Step 2: Convert to fraction form
   3,621,696/7,675,128 = 7,675,128/x
3. Step 3: Cross multiply
   3,621,696x = 7,675,128 × 7,675,128
4. Step 4: Simplify right side
   3,621,696x = 58,907,589,816,384
5. Step 5: Solve for x
   x = 58,907,589,816,384/3,621,696
6. Step 6: Final answer
   x = 16,265,194.49