Finding the Third Proportional to 21,147 and 32,931

Step by Step Solution

1. Step 1: Write the proportion equation
   21,147 : 32,931 = 32,931 : x
2. Step 2: Convert to fraction form
   21,147/32,931 = 32,931/x
3. Step 3: Cross multiply
   21,147x = 32,931 × 32,931
4. Step 4: Simplify right side
   21,147x = 1,084,450,761
5. Step 5: Solve for x
   x = 1,084,450,761/21,147
6. Step 6: Final answer
   x = 51,281.54