Finding the Third Proportional to 3,809,568 and 5,187,888

Step by Step Solution

1. Step 1: Write the proportion equation
   3,809,568 : 5,187,888 = 5,187,888 : x
2. Step 2: Convert to fraction form
   3,809,568/5,187,888 = 5,187,888/x
3. Step 3: Cross multiply
   3,809,568x = 5,187,888 × 5,187,888
4. Step 4: Simplify right side
   3,809,568x = 26,914,181,900,544
5. Step 5: Solve for x
   x = 26,914,181,900,544/3,809,568
6. Step 6: Final answer
   x = 7,064,890.80