Finding the Third Proportional to 3,508,764 and 5,289,063

Step by Step Solution

1. Step 1: Write the proportion equation
   3,508,764 : 5,289,063 = 5,289,063 : x
2. Step 2: Convert to fraction form
   3,508,764/5,289,063 = 5,289,063/x
3. Step 3: Cross multiply
   3,508,764x = 5,289,063 × 5,289,063
4. Step 4: Simplify right side
   3,508,764x = 27,974,187,417,969
5. Step 5: Solve for x
   x = 27,974,187,417,969/3,508,764
6. Step 6: Final answer
   x = 7,972,661.43