Finding the Third Proportional to 23,728 and 55,432

Step by Step Solution

1. Step 1: Write the proportion equation
   23,728 : 55,432 = 55,432 : x
2. Step 2: Convert to fraction form
   23,728/55,432 = 55,432/x
3. Step 3: Cross multiply
   23,728x = 55,432 × 55,432
4. Step 4: Simplify right side
   23,728x = 3,072,706,624
5. Step 5: Solve for x
   x = 3,072,706,624/23,728
6. Step 6: Final answer
   x = 129,497.08