Finding the Third Proportional to 401,890.50 and 859,050

Step by Step Solution

1. Step 1: Write the proportion equation
   401,890.50 : 859,050 = 859,050 : x
2. Step 2: Convert to fraction form
   401,890.50/859,050 = 859,050/x
3. Step 3: Cross multiply
   401,890.50x = 859,050 × 859,050
4. Step 4: Simplify right side
   401,890.50x = 737,966,902,500
5. Step 5: Solve for x
   x = 737,966,902,500/401,890.50
6. Step 6: Final answer
   x = 1,836,238.73