Finding the Third Proportional to 767,018 and 1,200,603

Step by Step Solution

1. Step 1: Write the proportion equation
   767,018 : 1,200,603 = 1,200,603 : x
2. Step 2: Convert to fraction form
   767,018/1,200,603 = 1,200,603/x
3. Step 3: Cross multiply
   767,018x = 1,200,603 × 1,200,603
4. Step 4: Simplify right side
   767,018x = 1,441,447,563,609
5. Step 5: Solve for x
   x = 1,441,447,563,609/767,018
6. Step 6: Final answer
   x = 1,879,287.79