Finding the Third Proportional to 56,542.50 and 124,263

Step by Step Solution

1. Step 1: Write the proportion equation
   56,542.50 : 124,263 = 124,263 : x
2. Step 2: Convert to fraction form
   56,542.50/124,263 = 124,263/x
3. Step 3: Cross multiply
   56,542.50x = 124,263 × 124,263
4. Step 4: Simplify right side
   56,542.50x = 15,441,293,169
5. Step 5: Solve for x
   x = 15,441,293,169/56,542.50
6. Step 6: Final answer
   x = 273,091.80