Finding the Third Proportional to 418,300.50 and 858,849

Step by Step Solution

1. Step 1: Write the proportion equation
   418,300.50 : 858,849 = 858,849 : x
2. Step 2: Convert to fraction form
   418,300.50/858,849 = 858,849/x
3. Step 3: Cross multiply
   418,300.50x = 858,849 × 858,849
4. Step 4: Simplify right side
   418,300.50x = 737,621,604,801
5. Step 5: Solve for x
   x = 737,621,604,801/418,300.50
6. Step 6: Final answer
   x = 1,763,377.30