Finding the Third Proportional to 131,344 and 208,012

Step by Step Solution

1. Step 1: Write the proportion equation
   131,344 : 208,012 = 208,012 : x
2. Step 2: Convert to fraction form
   131,344/208,012 = 208,012/x
3. Step 3: Cross multiply
   131,344x = 208,012 × 208,012
4. Step 4: Simplify right side
   131,344x = 43,268,992,144
5. Step 5: Solve for x
   x = 43,268,992,144/131,344
6. Step 6: Final answer
   x = 329,432.58