Finding the Third Proportional to 151,068 and 320,082

Step by Step Solution

1. Step 1: Write the proportion equation
   151,068 : 320,082 = 320,082 : x
2. Step 2: Convert to fraction form
   151,068/320,082 = 320,082/x
3. Step 3: Cross multiply
   151,068x = 320,082 × 320,082
4. Step 4: Simplify right side
   151,068x = 102,452,486,724
5. Step 5: Solve for x
   x = 102,452,486,724/151,068
6. Step 6: Final answer
   x = 678,187.88