Finding the Third Proportional to 21,276 and 46,238

Step by Step Solution

1. Step 1: Write the proportion equation
   21,276 : 46,238 = 46,238 : x
2. Step 2: Convert to fraction form
   21,276/46,238 = 46,238/x
3. Step 3: Cross multiply
   21,276x = 46,238 × 46,238
4. Step 4: Simplify right side
   21,276x = 2,137,952,644
5. Step 5: Solve for x
   x = 2,137,952,644/21,276
6. Step 6: Final answer
   x = 100,486.59