Finding the Third Proportional to 25,128 and 38,988

Step by Step Solution

1. Step 1: Write the proportion equation
   25,128 : 38,988 = 38,988 : x
2. Step 2: Convert to fraction form
   25,128/38,988 = 38,988/x
3. Step 3: Cross multiply
   25,128x = 38,988 × 38,988
4. Step 4: Simplify right side
   25,128x = 1,520,064,144
5. Step 5: Solve for x
   x = 1,520,064,144/25,128
6. Step 6: Final answer
   x = 60,492.84