Finding the Third Proportional to 10,520 and 17,454

Step by Step Solution

1. Step 1: Write the proportion equation
   10,520 : 17,454 = 17,454 : x
2. Step 2: Convert to fraction form
   10,520/17,454 = 17,454/x
3. Step 3: Cross multiply
   10,520x = 17,454 × 17,454
4. Step 4: Simplify right side
   10,520x = 304,642,116
5. Step 5: Solve for x
   x = 304,642,116/10,520
6. Step 6: Final answer
   x = 28,958.38