Finding the Third Proportional to 21,343.50 and 50,509.13

Step by Step Solution

1. Step 1: Write the proportion equation
   21,343.50 : 50,509.13 = 50,509.13 : x
2. Step 2: Convert to fraction form
   21,343.50/50,509.13 = 50,509.13/x
3. Step 3: Cross multiply
   21,343.50x = 50,509.13 × 50,509.13
4. Step 4: Simplify right side
   21,343.50x = 2,551,171,708.27
5. Step 5: Solve for x
   x = 2,551,171,708.27/21,343.50
6. Step 6: Final answer
   x = 119,529.21