Finding the Third Proportional to 42,068 and 89,330

Step by Step Solution

1. Step 1: Write the proportion equation
   42,068 : 89,330 = 89,330 : x
2. Step 2: Convert to fraction form
   42,068/89,330 = 89,330/x
3. Step 3: Cross multiply
   42,068x = 89,330 × 89,330
4. Step 4: Simplify right side
   42,068x = 7,979,848,900
5. Step 5: Solve for x
   x = 7,979,848,900/42,068
6. Step 6: Final answer
   x = 189,689.29