Finding the Third Proportional to 11,678 and 25,300

Step by Step Solution

1. Step 1: Write the proportion equation
   11,678 : 25,300 = 25,300 : x
2. Step 2: Convert to fraction form
   11,678/25,300 = 25,300/x
3. Step 3: Cross multiply
   11,678x = 25,300 × 25,300
4. Step 4: Simplify right side
   11,678x = 640,090,000
5. Step 5: Solve for x
   x = 640,090,000/11,678
6. Step 6: Final answer
   x = 54,811.61