Finding the Third Proportional to 21,199.50 and 50,145.75

Step by Step Solution

1. Step 1: Write the proportion equation
   21,199.50 : 50,145.75 = 50,145.75 : x
2. Step 2: Convert to fraction form
   21,199.50/50,145.75 = 50,145.75/x
3. Step 3: Cross multiply
   21,199.50x = 50,145.75 × 50,145.75
4. Step 4: Simplify right side
   21,199.50x = 2,514,596,243.06
5. Step 5: Solve for x
   x = 2,514,596,243.06/21,199.50
6. Step 6: Final answer
   x = 118,615.83