Finding the Third Proportional to 57,422 and 123,148

Step by Step Solution

1. Step 1: Write the proportion equation
   57,422 : 123,148 = 123,148 : x
2. Step 2: Convert to fraction form
   57,422/123,148 = 123,148/x
3. Step 3: Cross multiply
   57,422x = 123,148 × 123,148
4. Step 4: Simplify right side
   57,422x = 15,165,429,904
5. Step 5: Solve for x
   x = 15,165,429,904/57,422
6. Step 6: Final answer
   x = 264,104.87