Finding the Third Proportional to 397,794 and 859,132.50

Step by Step Solution

1. Step 1: Write the proportion equation
   397,794 : 859,132.50 = 859,132.50 : x
2. Step 2: Convert to fraction form
   397,794/859,132.50 = 859,132.50/x
3. Step 3: Cross multiply
   397,794x = 859,132.50 × 859,132.50
4. Step 4: Simplify right side
   397,794x = 738,108,652,556.25
5. Step 5: Solve for x
   x = 738,108,652,556.25/397,794
6. Step 6: Final answer
   x = 1,855,504.74