Finding the Third Proportional to 4,957.88 and 10,427.06

Step by Step Solution

1. Step 1: Write the proportion equation
   4,957.88 : 10,427.06 = 10,427.06 : x
2. Step 2: Convert to fraction form
   4,957.88/10,427.06 = 10,427.06/x
3. Step 3: Cross multiply
   4,957.88x = 10,427.06 × 10,427.06
4. Step 4: Simplify right side
   4,957.88x = 108,723,632.38
5. Step 5: Solve for x
   x = 108,723,632.38/4,957.88
6. Step 6: Final answer
   x = 21,929.48