Finding the Third Proportional to 660,899 and 1,050,398

Step by Step Solution

1. Step 1: Write the proportion equation
   660,899 : 1,050,398 = 1,050,398 : x
2. Step 2: Convert to fraction form
   660,899/1,050,398 = 1,050,398/x
3. Step 3: Cross multiply
   660,899x = 1,050,398 × 1,050,398
4. Step 4: Simplify right side
   660,899x = 1,103,335,958,404
5. Step 5: Solve for x
   x = 1,103,335,958,404/660,899
6. Step 6: Final answer
   x = 1,669,447.16