Finding the Third Proportional to 59,116.50 and 122,440.50

Step by Step Solution

1. Step 1: Write the proportion equation
   59,116.50 : 122,440.50 = 122,440.50 : x
2. Step 2: Convert to fraction form
   59,116.50/122,440.50 = 122,440.50/x
3. Step 3: Cross multiply
   59,116.50x = 122,440.50 × 122,440.50
4. Step 4: Simplify right side
   59,116.50x = 14,991,676,040.25
5. Step 5: Solve for x
   x = 14,991,676,040.25/59,116.50
6. Step 6: Final answer
   x = 253,595.46