Finding the Third Proportional to 21,215.25 and 50,118.75

Step by Step Solution

1. Step 1: Write the proportion equation
   21,215.25 : 50,118.75 = 50,118.75 : x
2. Step 2: Convert to fraction form
   21,215.25/50,118.75 = 50,118.75/x
3. Step 3: Cross multiply
   21,215.25x = 50,118.75 × 50,118.75
4. Step 4: Simplify right side
   21,215.25x = 2,511,889,101.56
5. Step 5: Solve for x
   x = 2,511,889,101.56/21,215.25
6. Step 6: Final answer
   x = 118,400.17