Finding the Third Proportional to 79,839 and 173,853

Step by Step Solution

1. Step 1: Write the proportion equation
   79,839 : 173,853 = 173,853 : x
2. Step 2: Convert to fraction form
   79,839/173,853 = 173,853/x
3. Step 3: Cross multiply
   79,839x = 173,853 × 173,853
4. Step 4: Simplify right side
   79,839x = 30,224,865,609
5. Step 5: Solve for x
   x = 30,224,865,609/79,839
6. Step 6: Final answer
   x = 378,572.70