Finding the Third Proportional to 133,933.50 and 207,198

Step by Step Solution

1. Step 1: Write the proportion equation
   133,933.50 : 207,198 = 207,198 : x
2. Step 2: Convert to fraction form
   133,933.50/207,198 = 207,198/x
3. Step 3: Cross multiply
   133,933.50x = 207,198 × 207,198
4. Step 4: Simplify right side
   133,933.50x = 42,931,011,204
5. Step 5: Solve for x
   x = 42,931,011,204/133,933.50
6. Step 6: Final answer
   x = 320,539.75