Finding the Third Proportional to 21,250 and 41,972

Step by Step Solution

1. Step 1: Write the proportion equation
   21,250 : 41,972 = 41,972 : x
2. Step 2: Convert to fraction form
   21,250/41,972 = 41,972/x
3. Step 3: Cross multiply
   21,250x = 41,972 × 41,972
4. Step 4: Simplify right side
   21,250x = 1,761,648,784
5. Step 5: Solve for x
   x = 1,761,648,784/21,250
6. Step 6: Final answer
   x = 82,901.12