Finding the Third Proportional to 2,054.11 and 4,472.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,054.11 : 4,472.72 = 4,472.72 : x
2. Step 2: Convert to fraction form
   2,054.11/4,472.72 = 4,472.72/x
3. Step 3: Cross multiply
   2,054.11x = 4,472.72 × 4,472.72
4. Step 4: Simplify right side
   2,054.11x = 20,005,213.02
5. Step 5: Solve for x
   x = 20,005,213.02/2,054.11
6. Step 6: Final answer
   x = 9,739.12