Finding the Third Proportional to 4,485,960 and 9,609,796

Step by Step Solution

1. Step 1: Write the proportion equation
   4,485,960 : 9,609,796 = 9,609,796 : x
2. Step 2: Convert to fraction form
   4,485,960/9,609,796 = 9,609,796/x
3. Step 3: Cross multiply
   4,485,960x = 9,609,796 × 9,609,796
4. Step 4: Simplify right side
   4,485,960x = 92,348,179,161,616
5. Step 5: Solve for x
   x = 92,348,179,161,616/4,485,960
6. Step 6: Final answer
   x = 20,586,046.06