Finding the Third Proportional to 12,190.50 and 21,510.56

Step by Step Solution

1. Step 1: Write the proportion equation
   12,190.50 : 21,510.56 = 21,510.56 : x
2. Step 2: Convert to fraction form
   12,190.50/21,510.56 = 21,510.56/x
3. Step 3: Cross multiply
   12,190.50x = 21,510.56 × 21,510.56
4. Step 4: Simplify right side
   12,190.50x = 462,704,299.07
5. Step 5: Solve for x
   x = 462,704,299.07/12,190.50
6. Step 6: Final answer
   x = 37,956.14