Finding the Third Proportional to 122,580 and 173,461.50

Step by Step Solution

1. Step 1: Write the proportion equation
   122,580 : 173,461.50 = 173,461.50 : x
2. Step 2: Convert to fraction form
   122,580/173,461.50 = 173,461.50/x
3. Step 3: Cross multiply
   122,580x = 173,461.50 × 173,461.50
4. Step 4: Simplify right side
   122,580x = 30,088,891,982.25
5. Step 5: Solve for x
   x = 30,088,891,982.25/122,580
6. Step 6: Final answer
   x = 245,463.31