Finding the Third Proportional to 69,018 and 142,446

Step by Step Solution

1. Step 1: Write the proportion equation
   69,018 : 142,446 = 142,446 : x
2. Step 2: Convert to fraction form
   69,018/142,446 = 142,446/x
3. Step 3: Cross multiply
   69,018x = 142,446 × 142,446
4. Step 4: Simplify right side
   69,018x = 20,290,862,916
5. Step 5: Solve for x
   x = 20,290,862,916/69,018
6. Step 6: Final answer
   x = 293,993.78