Finding the Third Proportional to 3,508,950 and 5,289,345

Step by Step Solution

1. Step 1: Write the proportion equation
   3,508,950 : 5,289,345 = 5,289,345 : x
2. Step 2: Convert to fraction form
   3,508,950/5,289,345 = 5,289,345/x
3. Step 3: Cross multiply
   3,508,950x = 5,289,345 × 5,289,345
4. Step 4: Simplify right side
   3,508,950x = 27,977,170,529,025
5. Step 5: Solve for x
   x = 27,977,170,529,025/3,508,950
6. Step 6: Final answer
   x = 7,973,088.97