Finding the Third Proportional to 131,348 and 208,018

Step by Step Solution

1. Step 1: Write the proportion equation
   131,348 : 208,018 = 208,018 : x
2. Step 2: Convert to fraction form
   131,348/208,018 = 208,018/x
3. Step 3: Cross multiply
   131,348x = 208,018 × 208,018
4. Step 4: Simplify right side
   131,348x = 43,271,488,324
5. Step 5: Solve for x
   x = 43,271,488,324/131,348
6. Step 6: Final answer
   x = 329,441.55