Finding the Third Proportional to 688,216 and 1,036,302

Step by Step Solution

1. Step 1: Write the proportion equation
   688,216 : 1,036,302 = 1,036,302 : x
2. Step 2: Convert to fraction form
   688,216/1,036,302 = 1,036,302/x
3. Step 3: Cross multiply
   688,216x = 1,036,302 × 1,036,302
4. Step 4: Simplify right side
   688,216x = 1,073,921,835,204
5. Step 5: Solve for x
   x = 1,073,921,835,204/688,216
6. Step 6: Final answer
   x = 1,560,442.99