Finding the Third Proportional to 23,100.19 and 30,378.80

Step by Step Solution

1. Step 1: Write the proportion equation
   23,100.19 : 30,378.80 = 30,378.80 : x
2. Step 2: Convert to fraction form
   23,100.19/30,378.80 = 30,378.80/x
3. Step 3: Cross multiply
   23,100.19x = 30,378.80 × 30,378.80
4. Step 4: Simplify right side
   23,100.19x = 922,871,299.57
5. Step 5: Solve for x
   x = 922,871,299.57/23,100.19
6. Step 6: Final answer
   x = 39,950.81