Finding the Third Proportional to 21,462.75 and 31,574.25

Step by Step Solution

1. Step 1: Write the proportion equation
   21,462.75 : 31,574.25 = 31,574.25 : x
2. Step 2: Convert to fraction form
   21,462.75/31,574.25 = 31,574.25/x
3. Step 3: Cross multiply
   21,462.75x = 31,574.25 × 31,574.25
4. Step 4: Simplify right side
   21,462.75x = 996,933,263.06
5. Step 5: Solve for x
   x = 996,933,263.06/21,462.75
6. Step 6: Final answer
   x = 46,449.47