Finding the Third Proportional to 13,020 and 28,960

Step by Step Solution

1. Step 1: Write the proportion equation
   13,020 : 28,960 = 28,960 : x
2. Step 2: Convert to fraction form
   13,020/28,960 = 28,960/x
3. Step 3: Cross multiply
   13,020x = 28,960 × 28,960
4. Step 4: Simplify right side
   13,020x = 838,681,600
5. Step 5: Solve for x
   x = 838,681,600/13,020
6. Step 6: Final answer
   x = 64,414.87