Finding the Third Proportional to 21,475 and 30,931

Step by Step Solution

1. Step 1: Write the proportion equation
   21,475 : 30,931 = 30,931 : x
2. Step 2: Convert to fraction form
   21,475/30,931 = 30,931/x
3. Step 3: Cross multiply
   21,475x = 30,931 × 30,931
4. Step 4: Simplify right side
   21,475x = 956,726,761
5. Step 5: Solve for x
   x = 956,726,761/21,475
6. Step 6: Final answer
   x = 44,550.72