Finding the Third Proportional to 28,564 and 42,676

Step by Step Solution

1. Step 1: Write the proportion equation
   28,564 : 42,676 = 42,676 : x
2. Step 2: Convert to fraction form
   28,564/42,676 = 42,676/x
3. Step 3: Cross multiply
   28,564x = 42,676 × 42,676
4. Step 4: Simplify right side
   28,564x = 1,821,240,976
5. Step 5: Solve for x
   x = 1,821,240,976/28,564
6. Step 6: Final answer
   x = 63,760.01