Finding the Third Proportional to 21,760 and 29,360

Step by Step Solution

1. Step 1: Write the proportion equation
   21,760 : 29,360 = 29,360 : x
2. Step 2: Convert to fraction form
   21,760/29,360 = 29,360/x
3. Step 3: Cross multiply
   21,760x = 29,360 × 29,360
4. Step 4: Simplify right side
   21,760x = 862,009,600
5. Step 5: Solve for x
   x = 862,009,600/21,760
6. Step 6: Final answer
   x = 39,614.41