Finding the Third Proportional to 57,488 and 123,724

Step by Step Solution

1. Step 1: Write the proportion equation
   57,488 : 123,724 = 123,724 : x
2. Step 2: Convert to fraction form
   57,488/123,724 = 123,724/x
3. Step 3: Cross multiply
   57,488x = 123,724 × 123,724
4. Step 4: Simplify right side
   57,488x = 15,307,628,176
5. Step 5: Solve for x
   x = 15,307,628,176/57,488
6. Step 6: Final answer
   x = 266,275.19