Finding the Third Proportional to 19,151 and 28,612

Step by Step Solution

1. Step 1: Write the proportion equation
   19,151 : 28,612 = 28,612 : x
2. Step 2: Convert to fraction form
   19,151/28,612 = 28,612/x
3. Step 3: Cross multiply
   19,151x = 28,612 × 28,612
4. Step 4: Simplify right side
   19,151x = 818,646,544
5. Step 5: Solve for x
   x = 818,646,544/19,151
6. Step 6: Final answer
   x = 42,746.93