Finding the Third Proportional to 21,351 and 31,474.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,351 : 31,474.50 = 31,474.50 : x
2. Step 2: Convert to fraction form
   21,351/31,474.50 = 31,474.50/x
3. Step 3: Cross multiply
   21,351x = 31,474.50 × 31,474.50
4. Step 4: Simplify right side
   21,351x = 990,644,150.25
5. Step 5: Solve for x
   x = 990,644,150.25/21,351
6. Step 6: Final answer
   x = 46,398.02