Finding the Third Proportional to 21,872.53 and 47,936.81

Step by Step Solution

1. Step 1: Write the proportion equation
   21,872.53 : 47,936.81 = 47,936.81 : x
2. Step 2: Convert to fraction form
   21,872.53/47,936.81 = 47,936.81/x
3. Step 3: Cross multiply
   21,872.53x = 47,936.81 × 47,936.81
4. Step 4: Simplify right side
   21,872.53x = 2,297,937,992.66
5. Step 5: Solve for x
   x = 2,297,937,992.66/21,872.53
6. Step 6: Final answer
   x = 105,060.45