Finding the Third Proportional to 777,018 and 1,200,027

Step by Step Solution

1. Step 1: Write the proportion equation
   777,018 : 1,200,027 = 1,200,027 : x
2. Step 2: Convert to fraction form
   777,018/1,200,027 = 1,200,027/x
3. Step 3: Cross multiply
   777,018x = 1,200,027 × 1,200,027
4. Step 4: Simplify right side
   777,018x = 1,440,064,800,729
5. Step 5: Solve for x
   x = 1,440,064,800,729/777,018
6. Step 6: Final answer
   x = 1,853,322.32