Finding the Third Proportional to 57,543.75 and 123,084.56

Step by Step Solution

1. Step 1: Write the proportion equation
   57,543.75 : 123,084.56 = 123,084.56 : x
2. Step 2: Convert to fraction form
   57,543.75/123,084.56 = 123,084.56/x
3. Step 3: Cross multiply
   57,543.75x = 123,084.56 × 123,084.56
4. Step 4: Simplify right side
   57,543.75x = 15,149,809,525.82
5. Step 5: Solve for x
   x = 15,149,809,525.82/57,543.75
6. Step 6: Final answer
   x = 263,274.63