Finding the Third Proportional to 21,179.50 and 49,242

Step by Step Solution

1. Step 1: Write the proportion equation
   21,179.50 : 49,242 = 49,242 : x
2. Step 2: Convert to fraction form
   21,179.50/49,242 = 49,242/x
3. Step 3: Cross multiply
   21,179.50x = 49,242 × 49,242
4. Step 4: Simplify right side
   21,179.50x = 2,424,774,564
5. Step 5: Solve for x
   x = 2,424,774,564/21,179.50
6. Step 6: Final answer
   x = 114,486.87