Finding the Third Proportional to 528,650.50 and 790,666

Step by Step Solution

1. Step 1: Write the proportion equation
   528,650.50 : 790,666 = 790,666 : x
2. Step 2: Convert to fraction form
   528,650.50/790,666 = 790,666/x
3. Step 3: Cross multiply
   528,650.50x = 790,666 × 790,666
4. Step 4: Simplify right side
   528,650.50x = 625,152,723,556
5. Step 5: Solve for x
   x = 625,152,723,556/528,650.50
6. Step 6: Final answer
   x = 1,182,544.47