Finding the Third Proportional to 131,472 and 206,017

Step by Step Solution

1. Step 1: Write the proportion equation
   131,472 : 206,017 = 206,017 : x
2. Step 2: Convert to fraction form
   131,472/206,017 = 206,017/x
3. Step 3: Cross multiply
   131,472x = 206,017 × 206,017
4. Step 4: Simplify right side
   131,472x = 42,443,004,289
5. Step 5: Solve for x
   x = 42,443,004,289/131,472
6. Step 6: Final answer
   x = 322,829.23