Finding the Third Proportional to 688,192 and 1,036,266

Step by Step Solution

1. Step 1: Write the proportion equation
   688,192 : 1,036,266 = 1,036,266 : x
2. Step 2: Convert to fraction form
   688,192/1,036,266 = 1,036,266/x
3. Step 3: Cross multiply
   688,192x = 1,036,266 × 1,036,266
4. Step 4: Simplify right side
   688,192x = 1,073,847,222,756
5. Step 5: Solve for x
   x = 1,073,847,222,756/688,192
6. Step 6: Final answer
   x = 1,560,388.99