Finding the Third Proportional to 133,038 and 206,573

Step by Step Solution

1. Step 1: Write the proportion equation
   133,038 : 206,573 = 206,573 : x
2. Step 2: Convert to fraction form
   133,038/206,573 = 206,573/x
3. Step 3: Cross multiply
   133,038x = 206,573 × 206,573
4. Step 4: Simplify right side
   133,038x = 42,672,404,329
5. Step 5: Solve for x
   x = 42,672,404,329/133,038
6. Step 6: Final answer
   x = 320,753.50