Finding the Third Proportional to 576,990 and 895,731.75

Step by Step Solution

1. Step 1: Write the proportion equation
   576,990 : 895,731.75 = 895,731.75 : x
2. Step 2: Convert to fraction form
   576,990/895,731.75 = 895,731.75/x
3. Step 3: Cross multiply
   576,990x = 895,731.75 × 895,731.75
4. Step 4: Simplify right side
   576,990x = 802,335,367,958.06
5. Step 5: Solve for x
   x = 802,335,367,958.06/576,990
6. Step 6: Final answer
   x = 1,390,553.33