Finding the Third Proportional to 56,086 and 123,554

Step by Step Solution

1. Step 1: Write the proportion equation
   56,086 : 123,554 = 123,554 : x
2. Step 2: Convert to fraction form
   56,086/123,554 = 123,554/x
3. Step 3: Cross multiply
   56,086x = 123,554 × 123,554
4. Step 4: Simplify right side
   56,086x = 15,265,590,916
5. Step 5: Solve for x
   x = 15,265,590,916/56,086
6. Step 6: Final answer
   x = 272,181.84