Finding the Third Proportional to 1,605,240 and 2,201,173

Step by Step Solution

1. Step 1: Write the proportion equation
   1,605,240 : 2,201,173 = 2,201,173 : x
2. Step 2: Convert to fraction form
   1,605,240/2,201,173 = 2,201,173/x
3. Step 3: Cross multiply
   1,605,240x = 2,201,173 × 2,201,173
4. Step 4: Simplify right side
   1,605,240x = 4,845,162,575,929
5. Step 5: Solve for x
   x = 4,845,162,575,929/1,605,240
6. Step 6: Final answer
   x = 3,018,341.54