Finding the Third Proportional to 13,145.63 and 17,713.69

Step by Step Solution

1. Step 1: Write the proportion equation
   13,145.63 : 17,713.69 = 17,713.69 : x
2. Step 2: Convert to fraction form
   13,145.63/17,713.69 = 17,713.69/x
3. Step 3: Cross multiply
   13,145.63x = 17,713.69 × 17,713.69
4. Step 4: Simplify right side
   13,145.63x = 313,774,724.85
5. Step 5: Solve for x
   x = 313,774,724.85/13,145.63
6. Step 6: Final answer
   x = 23,869.14