Finding the Third Proportional to 609,196 and 1,320,087

Step by Step Solution

1. Step 1: Write the proportion equation
   609,196 : 1,320,087 = 1,320,087 : x
2. Step 2: Convert to fraction form
   609,196/1,320,087 = 1,320,087/x
3. Step 3: Cross multiply
   609,196x = 1,320,087 × 1,320,087
4. Step 4: Simplify right side
   609,196x = 1,742,629,687,569
5. Step 5: Solve for x
   x = 1,742,629,687,569/609,196
6. Step 6: Final answer
   x = 2,860,540.27