Finding the Third Proportional to 133,771.50 and 207,036

Step by Step Solution

1. Step 1: Write the proportion equation
   133,771.50 : 207,036 = 207,036 : x
2. Step 2: Convert to fraction form
   133,771.50/207,036 = 207,036/x
3. Step 3: Cross multiply
   133,771.50x = 207,036 × 207,036
4. Step 4: Simplify right side
   133,771.50x = 42,863,905,296
5. Step 5: Solve for x
   x = 42,863,905,296/133,771.50
6. Step 6: Final answer
   x = 320,426.29