Finding the Third Proportional to 57,141.07 and 123,816.09

Step by Step Solution

1. Step 1: Write the proportion equation
   57,141.07 : 123,816.09 = 123,816.09 : x
2. Step 2: Convert to fraction form
   57,141.07/123,816.09 = 123,816.09/x
3. Step 3: Cross multiply
   57,141.07x = 123,816.09 × 123,816.09
4. Step 4: Simplify right side
   57,141.07x = 15,330,425,071.51
5. Step 5: Solve for x
   x = 15,330,425,071.51/57,141.07
6. Step 6: Final answer
   x = 268,290.83