Finding the Third Proportional to 17,912 and 28,240

Step by Step Solution

1. Step 1: Write the proportion equation
   17,912 : 28,240 = 28,240 : x
2. Step 2: Convert to fraction form
   17,912/28,240 = 28,240/x
3. Step 3: Cross multiply
   17,912x = 28,240 × 28,240
4. Step 4: Simplify right side
   17,912x = 797,497,600
5. Step 5: Solve for x
   x = 797,497,600/17,912
6. Step 6: Final answer
   x = 44,523.09