Finding the Third Proportional to 10,096.31 and 20,697.19

Step by Step Solution

1. Step 1: Write the proportion equation
   10,096.31 : 20,697.19 = 20,697.19 : x
2. Step 2: Convert to fraction form
   10,096.31/20,697.19 = 20,697.19/x
3. Step 3: Cross multiply
   10,096.31x = 20,697.19 × 20,697.19
4. Step 4: Simplify right side
   10,096.31x = 428,373,570.41
5. Step 5: Solve for x
   x = 428,373,570.41/10,096.31
6. Step 6: Final answer
   x = 42,428.72