Finding the Third Proportional to 131,347 and 208,016.50

Step by Step Solution

1. Step 1: Write the proportion equation
   131,347 : 208,016.50 = 208,016.50 : x
2. Step 2: Convert to fraction form
   131,347/208,016.50 = 208,016.50/x
3. Step 3: Cross multiply
   131,347x = 208,016.50 × 208,016.50
4. Step 4: Simplify right side
   131,347x = 43,270,864,272.25
5. Step 5: Solve for x
   x = 43,270,864,272.25/131,347
6. Step 6: Final answer
   x = 329,439.30