Finding the Third Proportional to 79,436 and 116,721

Step by Step Solution

1. Step 1: Write the proportion equation
   79,436 : 116,721 = 116,721 : x
2. Step 2: Convert to fraction form
   79,436/116,721 = 116,721/x
3. Step 3: Cross multiply
   79,436x = 116,721 × 116,721
4. Step 4: Simplify right side
   79,436x = 13,623,791,841
5. Step 5: Solve for x
   x = 13,623,791,841/79,436
6. Step 6: Final answer
   x = 171,506.52