Finding the Third Proportional to 688,204 and 1,036,284

Step by Step Solution

1. Step 1: Write the proportion equation
   688,204 : 1,036,284 = 1,036,284 : x
2. Step 2: Convert to fraction form
   688,204/1,036,284 = 1,036,284/x
3. Step 3: Cross multiply
   688,204x = 1,036,284 × 1,036,284
4. Step 4: Simplify right side
   688,204x = 1,073,884,528,656
5. Step 5: Solve for x
   x = 1,073,884,528,656/688,204
6. Step 6: Final answer
   x = 1,560,415.99