Finding the Third Proportional to 16,380 and 25,370

Step by Step Solution

1. Step 1: Write the proportion equation
   16,380 : 25,370 = 25,370 : x
2. Step 2: Convert to fraction form
   16,380/25,370 = 25,370/x
3. Step 3: Cross multiply
   16,380x = 25,370 × 25,370
4. Step 4: Simplify right side
   16,380x = 643,636,900
5. Step 5: Solve for x
   x = 643,636,900/16,380
6. Step 6: Final answer
   x = 39,294.07