Finding the Third Proportional to 21,096 and 35,172

Step by Step Solution

1. Step 1: Write the proportion equation
   21,096 : 35,172 = 35,172 : x
2. Step 2: Convert to fraction form
   21,096/35,172 = 35,172/x
3. Step 3: Cross multiply
   21,096x = 35,172 × 35,172
4. Step 4: Simplify right side
   21,096x = 1,237,069,584
5. Step 5: Solve for x
   x = 1,237,069,584/21,096
6. Step 6: Final answer
   x = 58,640.01