Finding the Third Proportional to 69,082 and 143,078

Step by Step Solution

1. Step 1: Write the proportion equation
   69,082 : 143,078 = 143,078 : x
2. Step 2: Convert to fraction form
   69,082/143,078 = 143,078/x
3. Step 3: Cross multiply
   69,082x = 143,078 × 143,078
4. Step 4: Simplify right side
   69,082x = 20,471,314,084
5. Step 5: Solve for x
   x = 20,471,314,084/69,082
6. Step 6: Final answer
   x = 296,333.55