Finding the Third Proportional to 207,526.50 and 320,504

Step by Step Solution

1. Step 1: Write the proportion equation
   207,526.50 : 320,504 = 320,504 : x
2. Step 2: Convert to fraction form
   207,526.50/320,504 = 320,504/x
3. Step 3: Cross multiply
   207,526.50x = 320,504 × 320,504
4. Step 4: Simplify right side
   207,526.50x = 102,722,814,016
5. Step 5: Solve for x
   x = 102,722,814,016/207,526.50
6. Step 6: Final answer
   x = 494,986.49