Finding the Third Proportional to 21,181.50 and 49,308.75

Step by Step Solution

1. Step 1: Write the proportion equation
   21,181.50 : 49,308.75 = 49,308.75 : x
2. Step 2: Convert to fraction form
   21,181.50/49,308.75 = 49,308.75/x
3. Step 3: Cross multiply
   21,181.50x = 49,308.75 × 49,308.75
4. Step 4: Simplify right side
   21,181.50x = 2,431,352,826.56
5. Step 5: Solve for x
   x = 2,431,352,826.56/21,181.50
6. Step 6: Final answer
   x = 114,786.62