Finding the Third Proportional to 21,849.75 and 47,815.31

Step by Step Solution

1. Step 1: Write the proportion equation
   21,849.75 : 47,815.31 = 47,815.31 : x
2. Step 2: Convert to fraction form
   21,849.75/47,815.31 = 47,815.31/x
3. Step 3: Cross multiply
   21,849.75x = 47,815.31 × 47,815.31
4. Step 4: Simplify right side
   21,849.75x = 2,286,304,109.47
5. Step 5: Solve for x
   x = 2,286,304,109.47/21,849.75
6. Step 6: Final answer
   x = 104,637.54