Finding the Third Proportional to 5,088.50 and 10,481

Step by Step Solution

1. Step 1: Write the proportion equation
   5,088.50 : 10,481 = 10,481 : x
2. Step 2: Convert to fraction form
   5,088.50/10,481 = 10,481/x
3. Step 3: Cross multiply
   5,088.50x = 10,481 × 10,481
4. Step 4: Simplify right side
   5,088.50x = 109,851,361
5. Step 5: Solve for x
   x = 109,851,361/5,088.50
6. Step 6: Final answer
   x = 21,588.16