Finding the Third Proportional to 4,677 and 10,128

Step by Step Solution

1. Step 1: Write the proportion equation
   4,677 : 10,128 = 10,128 : x
2. Step 2: Convert to fraction form
   4,677/10,128 = 10,128/x
3. Step 3: Cross multiply
   4,677x = 10,128 × 10,128
4. Step 4: Simplify right side
   4,677x = 102,576,384
5. Step 5: Solve for x
   x = 102,576,384/4,677
6. Step 6: Final answer
   x = 21,932.09