Finding the Third Proportional to 10,011.94 and 20,631.38

Step by Step Solution

1. Step 1: Write the proportion equation
   10,011.94 : 20,631.38 = 20,631.38 : x
2. Step 2: Convert to fraction form
   10,011.94/20,631.38 = 20,631.38/x
3. Step 3: Cross multiply
   10,011.94x = 20,631.38 × 20,631.38
4. Step 4: Simplify right side
   10,011.94x = 425,653,634.39
5. Step 5: Solve for x
   x = 425,653,634.39/10,011.94
6. Step 6: Final answer
   x = 42,514.61