Finding the Third Proportional to 2,218,540 and 3,170,347

Step by Step Solution

1. Step 1: Write the proportion equation
   2,218,540 : 3,170,347 = 3,170,347 : x
2. Step 2: Convert to fraction form
   2,218,540/3,170,347 = 3,170,347/x
3. Step 3: Cross multiply
   2,218,540x = 3,170,347 × 3,170,347
4. Step 4: Simplify right side
   2,218,540x = 10,051,100,100,409
5. Step 5: Solve for x
   x = 10,051,100,100,409/2,218,540
6. Step 6: Final answer
   x = 4,530,502.09