Finding the Third Proportional to 3,508,747 and 5,289,040

Step by Step Solution

1. Step 1: Write the proportion equation
   3,508,747 : 5,289,040 = 5,289,040 : x
2. Step 2: Convert to fraction form
   3,508,747/5,289,040 = 5,289,040/x
3. Step 3: Cross multiply
   3,508,747x = 5,289,040 × 5,289,040
4. Step 4: Simplify right side
   3,508,747x = 27,973,944,121,600
5. Step 5: Solve for x
   x = 27,973,944,121,600/3,508,747
6. Step 6: Final answer
   x = 7,972,630.72