Finding the Third Proportional to 2,131,933 and 4,349,505

Step by Step Solution

1. Step 1: Write the proportion equation
   2,131,933 : 4,349,505 = 4,349,505 : x
2. Step 2: Convert to fraction form
   2,131,933/4,349,505 = 4,349,505/x
3. Step 3: Cross multiply
   2,131,933x = 4,349,505 × 4,349,505
4. Step 4: Simplify right side
   2,131,933x = 18,918,193,745,025
5. Step 5: Solve for x
   x = 18,918,193,745,025/2,131,933
6. Step 6: Final answer
   x = 8,873,728.09