Finding the Third Proportional to 19,141.95 and 30,378.80

Step by Step Solution

1. Step 1: Write the proportion equation
   19,141.95 : 30,378.80 = 30,378.80 : x
2. Step 2: Convert to fraction form
   19,141.95/30,378.80 = 30,378.80/x
3. Step 3: Cross multiply
   19,141.95x = 30,378.80 × 30,378.80
4. Step 4: Simplify right side
   19,141.95x = 922,871,299.57
5. Step 5: Solve for x
   x = 922,871,299.57/19,141.95
6. Step 6: Final answer
   x = 48,211.99