Finding the Third Proportional to 108,257 and 170,060.25

Step by Step Solution

1. Step 1: Write the proportion equation
   108,257 : 170,060.25 = 170,060.25 : x
2. Step 2: Convert to fraction form
   108,257/170,060.25 = 170,060.25/x
3. Step 3: Cross multiply
   108,257x = 170,060.25 × 170,060.25
4. Step 4: Simplify right side
   108,257x = 28,920,488,630.06
5. Step 5: Solve for x
   x = 28,920,488,630.06/108,257
6. Step 6: Final answer
   x = 267,146.59