Finding the Third Proportional to 4,902 and 10,572

Step by Step Solution

1. Step 1: Write the proportion equation
   4,902 : 10,572 = 10,572 : x
2. Step 2: Convert to fraction form
   4,902/10,572 = 10,572/x
3. Step 3: Cross multiply
   4,902x = 10,572 × 10,572
4. Step 4: Simplify right side
   4,902x = 111,767,184
5. Step 5: Solve for x
   x = 111,767,184/4,902
6. Step 6: Final answer
   x = 22,800.32