Finding the Third Proportional to 13,280 and 31,304

Step by Step Solution

1. Step 1: Write the proportion equation
   13,280 : 31,304 = 31,304 : x
2. Step 2: Convert to fraction form
   13,280/31,304 = 31,304/x
3. Step 3: Cross multiply
   13,280x = 31,304 × 31,304
4. Step 4: Simplify right side
   13,280x = 979,940,416
5. Step 5: Solve for x
   x = 979,940,416/13,280
6. Step 6: Final answer
   x = 73,790.69