Finding the Third Proportional to 56,144 and 123,352

Step by Step Solution

1. Step 1: Write the proportion equation
   56,144 : 123,352 = 123,352 : x
2. Step 2: Convert to fraction form
   56,144/123,352 = 123,352/x
3. Step 3: Cross multiply
   56,144x = 123,352 × 123,352
4. Step 4: Simplify right side
   56,144x = 15,215,715,904
5. Step 5: Solve for x
   x = 15,215,715,904/56,144
6. Step 6: Final answer
   x = 271,012.32