Finding the Third Proportional to 204,790.50 and 320,562

Step by Step Solution

1. Step 1: Write the proportion equation
   204,790.50 : 320,562 = 320,562 : x
2. Step 2: Convert to fraction form
   204,790.50/320,562 = 320,562/x
3. Step 3: Cross multiply
   204,790.50x = 320,562 × 320,562
4. Step 4: Simplify right side
   204,790.50x = 102,759,995,844
5. Step 5: Solve for x
   x = 102,759,995,844/204,790.50
6. Step 6: Final answer
   x = 501,781.07