Finding the Third Proportional to 1,605,238 and 2,201,170

Step by Step Solution

1. Step 1: Write the proportion equation
   1,605,238 : 2,201,170 = 2,201,170 : x
2. Step 2: Convert to fraction form
   1,605,238/2,201,170 = 2,201,170/x
3. Step 3: Cross multiply
   1,605,238x = 2,201,170 × 2,201,170
4. Step 4: Simplify right side
   1,605,238x = 4,845,149,368,900
5. Step 5: Solve for x
   x = 4,845,149,368,900/1,605,238
6. Step 6: Final answer
   x = 3,018,337.07