Finding the Third Proportional to 19,092 and 28,640

Step by Step Solution

1. Step 1: Write the proportion equation
   19,092 : 28,640 = 28,640 : x
2. Step 2: Convert to fraction form
   19,092/28,640 = 28,640/x
3. Step 3: Cross multiply
   19,092x = 28,640 × 28,640
4. Step 4: Simplify right side
   19,092x = 820,249,600
5. Step 5: Solve for x
   x = 820,249,600/19,092
6. Step 6: Final answer
   x = 42,963.00