Finding the Third Proportional to 131,349 and 208,020

Step by Step Solution

1. Step 1: Write the proportion equation
   131,349 : 208,020 = 208,020 : x
2. Step 2: Convert to fraction form
   131,349/208,020 = 208,020/x
3. Step 3: Cross multiply
   131,349x = 208,020 × 208,020
4. Step 4: Simplify right side
   131,349x = 43,272,320,400
5. Step 5: Solve for x
   x = 43,272,320,400/131,349
6. Step 6: Final answer
   x = 329,445.37