Finding the Third Proportional to 3,507,994 and 5,247,687

Step by Step Solution

1. Step 1: Write the proportion equation
   3,507,994 : 5,247,687 = 5,247,687 : x
2. Step 2: Convert to fraction form
   3,507,994/5,247,687 = 5,247,687/x
3. Step 3: Cross multiply
   3,507,994x = 5,247,687 × 5,247,687
4. Step 4: Simplify right side
   3,507,994x = 27,538,218,849,969
5. Step 5: Solve for x
   x = 27,538,218,849,969/3,507,994
6. Step 6: Final answer
   x = 7,850,132.83