Finding the Third Proportional to 5,145.19 and 10,654.88

Step by Step Solution

1. Step 1: Write the proportion equation
   5,145.19 : 10,654.88 = 10,654.88 : x
2. Step 2: Convert to fraction form
   5,145.19/10,654.88 = 10,654.88/x
3. Step 3: Cross multiply
   5,145.19x = 10,654.88 × 10,654.88
4. Step 4: Simplify right side
   5,145.19x = 113,526,361.27
5. Step 5: Solve for x
   x = 113,526,361.27/5,145.19
6. Step 6: Final answer
   x = 22,064.57