Finding the Third Proportional to 69,084 and 143,080

Step by Step Solution

1. Step 1: Write the proportion equation
   69,084 : 143,080 = 143,080 : x
2. Step 2: Convert to fraction form
   69,084/143,080 = 143,080/x
3. Step 3: Cross multiply
   69,084x = 143,080 × 143,080
4. Step 4: Simplify right side
   69,084x = 20,471,886,400
5. Step 5: Solve for x
   x = 20,471,886,400/69,084
6. Step 6: Final answer
   x = 296,333.25