Finding the Third Proportional to 4,899.38 and 10,572.75

Step by Step Solution

1. Step 1: Write the proportion equation
   4,899.38 : 10,572.75 = 10,572.75 : x
2. Step 2: Convert to fraction form
   4,899.38/10,572.75 = 10,572.75/x
3. Step 3: Cross multiply
   4,899.38x = 10,572.75 × 10,572.75
4. Step 4: Simplify right side
   4,899.38x = 111,783,042.56
5. Step 5: Solve for x
   x = 111,783,042.56/4,899.38
6. Step 6: Final answer
   x = 22,815.78