Finding the Third Proportional to 12,787 and 28,550

Step by Step Solution

1. Step 1: Write the proportion equation
   12,787 : 28,550 = 28,550 : x
2. Step 2: Convert to fraction form
   12,787/28,550 = 28,550/x
3. Step 3: Cross multiply
   12,787x = 28,550 × 28,550
4. Step 4: Simplify right side
   12,787x = 815,102,500
5. Step 5: Solve for x
   x = 815,102,500/12,787
6. Step 6: Final answer
   x = 63,744.62