Finding the Third Proportional to 21,687.75 and 31,848.19

Step by Step Solution

1. Step 1: Write the proportion equation
   21,687.75 : 31,848.19 = 31,848.19 : x
2. Step 2: Convert to fraction form
   21,687.75/31,848.19 = 31,848.19/x
3. Step 3: Cross multiply
   21,687.75x = 31,848.19 × 31,848.19
4. Step 4: Simplify right side
   21,687.75x = 1,014,307,047.04
5. Step 5: Solve for x
   x = 1,014,307,047.04/21,687.75
6. Step 6: Final answer
   x = 46,768.66