Finding the Third Proportional to 21,463.31 and 31,574.81

Step by Step Solution

1. Step 1: Write the proportion equation
   21,463.31 : 31,574.81 = 31,574.81 : x
2. Step 2: Convert to fraction form
   21,463.31/31,574.81 = 31,574.81/x
3. Step 3: Cross multiply
   21,463.31x = 31,574.81 × 31,574.81
4. Step 4: Simplify right side
   21,463.31x = 996,968,784.41
5. Step 5: Solve for x
   x = 996,968,784.41/21,463.31
6. Step 6: Final answer
   x = 46,449.90