Finding the Third Proportional to 57,432 and 123,208

Step by Step Solution

1. Step 1: Write the proportion equation
   57,432 : 123,208 = 123,208 : x
2. Step 2: Convert to fraction form
   57,432/123,208 = 123,208/x
3. Step 3: Cross multiply
   57,432x = 123,208 × 123,208
4. Step 4: Simplify right side
   57,432x = 15,180,211,264
5. Step 5: Solve for x
   x = 15,180,211,264/57,432
6. Step 6: Final answer
   x = 264,316.26