Finding the Third Proportional to 21,014 and 43,078

Step by Step Solution

1. Step 1: Write the proportion equation
   21,014 : 43,078 = 43,078 : x
2. Step 2: Convert to fraction form
   21,014/43,078 = 43,078/x
3. Step 3: Cross multiply
   21,014x = 43,078 × 43,078
4. Step 4: Simplify right side
   21,014x = 1,855,714,084
5. Step 5: Solve for x
   x = 1,855,714,084/21,014
6. Step 6: Final answer
   x = 88,308.47