Finding the Third Proportional to 19,120 and 28,476

Step by Step Solution

1. Step 1: Write the proportion equation
   19,120 : 28,476 = 28,476 : x
2. Step 2: Convert to fraction form
   19,120/28,476 = 28,476/x
3. Step 3: Cross multiply
   19,120x = 28,476 × 28,476
4. Step 4: Simplify right side
   19,120x = 810,882,576
5. Step 5: Solve for x
   x = 810,882,576/19,120
6. Step 6: Final answer
   x = 42,410.18