Finding the Third Proportional to 8,700 and 10,572

Step by Step Solution

1. Step 1: Write the proportion equation
   8,700 : 10,572 = 10,572 : x
2. Step 2: Convert to fraction form
   8,700/10,572 = 10,572/x
3. Step 3: Cross multiply
   8,700x = 10,572 × 10,572
4. Step 4: Simplify right side
   8,700x = 111,767,184
5. Step 5: Solve for x
   x = 111,767,184/8,700
6. Step 6: Final answer
   x = 12,846.80