Finding the Third Proportional to 131,354 and 208,028

Step by Step Solution

1. Step 1: Write the proportion equation
   131,354 : 208,028 = 208,028 : x
2. Step 2: Convert to fraction form
   131,354/208,028 = 208,028/x
3. Step 3: Cross multiply
   131,354x = 208,028 × 208,028
4. Step 4: Simplify right side
   131,354x = 43,275,648,784
5. Step 5: Solve for x
   x = 43,275,648,784/131,354
6. Step 6: Final answer
   x = 329,458.17