Finding the Third Proportional to 21,238 and 45,008

Step by Step Solution

1. Step 1: Write the proportion equation
   21,238 : 45,008 = 45,008 : x
2. Step 2: Convert to fraction form
   21,238/45,008 = 45,008/x
3. Step 3: Cross multiply
   21,238x = 45,008 × 45,008
4. Step 4: Simplify right side
   21,238x = 2,025,720,064
5. Step 5: Solve for x
   x = 2,025,720,064/21,238
6. Step 6: Final answer
   x = 95,381.87