Finding the Third Proportional to 4,188,866 and 9,036,676

Step by Step Solution

1. Step 1: Write the proportion equation
   4,188,866 : 9,036,676 = 9,036,676 : x
2. Step 2: Convert to fraction form
   4,188,866/9,036,676 = 9,036,676/x
3. Step 3: Cross multiply
   4,188,866x = 9,036,676 × 9,036,676
4. Step 4: Simplify right side
   4,188,866x = 81,661,513,128,976
5. Step 5: Solve for x
   x = 81,661,513,128,976/4,188,866
6. Step 6: Final answer
   x = 19,494,897.46