Finding the Third Proportional to 79,781 and 118,131

Step by Step Solution

1. Step 1: Write the proportion equation
   79,781 : 118,131 = 118,131 : x
2. Step 2: Convert to fraction form
   79,781/118,131 = 118,131/x
3. Step 3: Cross multiply
   79,781x = 118,131 × 118,131
4. Step 4: Simplify right side
   79,781x = 13,954,933,161
5. Step 5: Solve for x
   x = 13,954,933,161/79,781
6. Step 6: Final answer
   x = 174,915.50