Finding the Third Proportional to 15,385.50 and 17,475.75

Step by Step Solution

1. Step 1: Write the proportion equation
   15,385.50 : 17,475.75 = 17,475.75 : x
2. Step 2: Convert to fraction form
   15,385.50/17,475.75 = 17,475.75/x
3. Step 3: Cross multiply
   15,385.50x = 17,475.75 × 17,475.75
4. Step 4: Simplify right side
   15,385.50x = 305,401,838.06
5. Step 5: Solve for x
   x = 305,401,838.06/15,385.50
6. Step 6: Final answer
   x = 19,849.98