Finding the Third Proportional to 28,162 and 42,159

Step by Step Solution

1. Step 1: Write the proportion equation
   28,162 : 42,159 = 42,159 : x
2. Step 2: Convert to fraction form
   28,162/42,159 = 42,159/x
3. Step 3: Cross multiply
   28,162x = 42,159 × 42,159
4. Step 4: Simplify right side
   28,162x = 1,777,381,281
5. Step 5: Solve for x
   x = 1,777,381,281/28,162
6. Step 6: Final answer
   x = 63,112.75