Finding the Third Proportional to 133,423.50 and 206,028

Step by Step Solution

1. Step 1: Write the proportion equation
   133,423.50 : 206,028 = 206,028 : x
2. Step 2: Convert to fraction form
   133,423.50/206,028 = 206,028/x
3. Step 3: Cross multiply
   133,423.50x = 206,028 × 206,028
4. Step 4: Simplify right side
   133,423.50x = 42,447,536,784
5. Step 5: Solve for x
   x = 42,447,536,784/133,423.50
6. Step 6: Final answer
   x = 318,141.38