Finding the Third Proportional to 71,320 and 141,361

Step by Step Solution

1. Step 1: Write the proportion equation
   71,320 : 141,361 = 141,361 : x
2. Step 2: Convert to fraction form
   71,320/141,361 = 141,361/x
3. Step 3: Cross multiply
   71,320x = 141,361 × 141,361
4. Step 4: Simplify right side
   71,320x = 19,982,932,321
5. Step 5: Solve for x
   x = 19,982,932,321/71,320
6. Step 6: Final answer
   x = 280,186.94