Finding the Third Proportional to 57,290.06 and 123,357.38

Step by Step Solution

1. Step 1: Write the proportion equation
   57,290.06 : 123,357.38 = 123,357.38 : x
2. Step 2: Convert to fraction form
   57,290.06/123,357.38 = 123,357.38/x
3. Step 3: Cross multiply
   57,290.06x = 123,357.38 × 123,357.38
4. Step 4: Simplify right side
   57,290.06x = 15,217,041,966.89
5. Step 5: Solve for x
   x = 15,217,041,966.89/57,290.06
6. Step 6: Final answer
   x = 265,613.99