Finding the Third Proportional to 21,157.88 and 45,960.75

Step by Step Solution

1. Step 1: Write the proportion equation
   21,157.88 : 45,960.75 = 45,960.75 : x
2. Step 2: Convert to fraction form
   21,157.88/45,960.75 = 45,960.75/x
3. Step 3: Cross multiply
   21,157.88x = 45,960.75 × 45,960.75
4. Step 4: Simplify right side
   21,157.88x = 2,112,390,540.56
5. Step 5: Solve for x
   x = 2,112,390,540.56/21,157.88
6. Step 6: Final answer
   x = 99,839.45