Finding the Third Proportional to 858,304 and 1,298,500

Step by Step Solution

1. Step 1: Write the proportion equation
   858,304 : 1,298,500 = 1,298,500 : x
2. Step 2: Convert to fraction form
   858,304/1,298,500 = 1,298,500/x
3. Step 3: Cross multiply
   858,304x = 1,298,500 × 1,298,500
4. Step 4: Simplify right side
   858,304x = 1,686,102,250,000
5. Step 5: Solve for x
   x = 1,686,102,250,000/858,304
6. Step 6: Final answer
   x = 1,964,458.11