Finding the Third Proportional to 766,971 and 1,200,519

Step by Step Solution

1. Step 1: Write the proportion equation
   766,971 : 1,200,519 = 1,200,519 : x
2. Step 2: Convert to fraction form
   766,971/1,200,519 = 1,200,519/x
3. Step 3: Cross multiply
   766,971x = 1,200,519 × 1,200,519
4. Step 4: Simplify right side
   766,971x = 1,441,245,869,361
5. Step 5: Solve for x
   x = 1,441,245,869,361/766,971
6. Step 6: Final answer
   x = 1,879,139.98