Finding the Third Proportional to 57,360 and 123,513

Step by Step Solution

1. Step 1: Write the proportion equation
   57,360 : 123,513 = 123,513 : x
2. Step 2: Convert to fraction form
   57,360/123,513 = 123,513/x
3. Step 3: Cross multiply
   57,360x = 123,513 × 123,513
4. Step 4: Simplify right side
   57,360x = 15,255,461,169
5. Step 5: Solve for x
   x = 15,255,461,169/57,360
6. Step 6: Final answer
   x = 265,959.92