Finding the Third Proportional to 12,972 and 25,599

Step by Step Solution

1. Step 1: Write the proportion equation
   12,972 : 25,599 = 25,599 : x
2. Step 2: Convert to fraction form
   12,972/25,599 = 25,599/x
3. Step 3: Cross multiply
   12,972x = 25,599 × 25,599
4. Step 4: Simplify right side
   12,972x = 655,308,801
5. Step 5: Solve for x
   x = 655,308,801/12,972
6. Step 6: Final answer
   x = 50,517.18