Finding the Third Proportional to 56,098.50 and 122,755.50

Step by Step Solution

1. Step 1: Write the proportion equation
   56,098.50 : 122,755.50 = 122,755.50 : x
2. Step 2: Convert to fraction form
   56,098.50/122,755.50 = 122,755.50/x
3. Step 3: Cross multiply
   56,098.50x = 122,755.50 × 122,755.50
4. Step 4: Simplify right side
   56,098.50x = 15,068,912,780.25
5. Step 5: Solve for x
   x = 15,068,912,780.25/56,098.50
6. Step 6: Final answer
   x = 268,615.25