Finding the Third Proportional to 115,792 and 173,200

Step by Step Solution

1. Step 1: Write the proportion equation
   115,792 : 173,200 = 173,200 : x
2. Step 2: Convert to fraction form
   115,792/173,200 = 173,200/x
3. Step 3: Cross multiply
   115,792x = 173,200 × 173,200
4. Step 4: Simplify right side
   115,792x = 29,998,240,000
5. Step 5: Solve for x
   x = 29,998,240,000/115,792
6. Step 6: Final answer
   x = 259,070.06