Finding the Third Proportional to 605,039 and 1,320,112

Step by Step Solution

1. Step 1: Write the proportion equation
   605,039 : 1,320,112 = 1,320,112 : x
2. Step 2: Convert to fraction form
   605,039/1,320,112 = 1,320,112/x
3. Step 3: Cross multiply
   605,039x = 1,320,112 × 1,320,112
4. Step 4: Simplify right side
   605,039x = 1,742,695,692,544
5. Step 5: Solve for x
   x = 1,742,695,692,544/605,039
6. Step 6: Final answer
   x = 2,880,303.08