Finding the Third Proportional to 80,397 and 118,186.88

Step by Step Solution

1. Step 1: Write the proportion equation
   80,397 : 118,186.88 = 118,186.88 : x
2. Step 2: Convert to fraction form
   80,397/118,186.88 = 118,186.88/x
3. Step 3: Cross multiply
   80,397x = 118,186.88 × 118,186.88
4. Step 4: Simplify right side
   80,397x = 13,968,137,422.27
5. Step 5: Solve for x
   x = 13,968,137,422.27/80,397
6. Step 6: Final answer
   x = 173,739.54