Finding the Third Proportional to 4,828.78 and 10,474.03

Step by Step Solution

1. Step 1: Write the proportion equation
   4,828.78 : 10,474.03 = 10,474.03 : x
2. Step 2: Convert to fraction form
   4,828.78/10,474.03 = 10,474.03/x
3. Step 3: Cross multiply
   4,828.78x = 10,474.03 × 10,474.03
4. Step 4: Simplify right side
   4,828.78x = 109,705,330.63
5. Step 5: Solve for x
   x = 109,705,330.63/4,828.78
6. Step 6: Final answer
   x = 22,719.05