Finding the Third Proportional to 757,959 and 1,643,398

Step by Step Solution

1. Step 1: Write the proportion equation
   757,959 : 1,643,398 = 1,643,398 : x
2. Step 2: Convert to fraction form
   757,959/1,643,398 = 1,643,398/x
3. Step 3: Cross multiply
   757,959x = 1,643,398 × 1,643,398
4. Step 4: Simplify right side
   757,959x = 2,700,756,986,404
5. Step 5: Solve for x
   x = 2,700,756,986,404/757,959
6. Step 6: Final answer
   x = 3,563,196.67