Finding the Third Proportional to 197,293 and 320,536.50

Step by Step Solution

1. Step 1: Write the proportion equation
   197,293 : 320,536.50 = 320,536.50 : x
2. Step 2: Convert to fraction form
   197,293/320,536.50 = 320,536.50/x
3. Step 3: Cross multiply
   197,293x = 320,536.50 × 320,536.50
4. Step 4: Simplify right side
   197,293x = 102,743,647,832.25
5. Step 5: Solve for x
   x = 102,743,647,832.25/197,293
6. Step 6: Final answer
   x = 520,766.82