Finding the Third Proportional to 56,200.50 and 122,754

Step by Step Solution

1. Step 1: Write the proportion equation
   56,200.50 : 122,754 = 122,754 : x
2. Step 2: Convert to fraction form
   56,200.50/122,754 = 122,754/x
3. Step 3: Cross multiply
   56,200.50x = 122,754 × 122,754
4. Step 4: Simplify right side
   56,200.50x = 15,068,544,516
5. Step 5: Solve for x
   x = 15,068,544,516/56,200.50
6. Step 6: Final answer
   x = 268,121.18