Finding the Third Proportional to 122,681.25 and 173,974.50

Step by Step Solution

1. Step 1: Write the proportion equation
   122,681.25 : 173,974.50 = 173,974.50 : x
2. Step 2: Convert to fraction form
   122,681.25/173,974.50 = 173,974.50/x
3. Step 3: Cross multiply
   122,681.25x = 173,974.50 × 173,974.50
4. Step 4: Simplify right side
   122,681.25x = 30,267,126,650.25
5. Step 5: Solve for x
   x = 30,267,126,650.25/122,681.25
6. Step 6: Final answer
   x = 246,713.55