Finding the Third Proportional to 69,631 and 142,949

Step by Step Solution

1. Step 1: Write the proportion equation
   69,631 : 142,949 = 142,949 : x
2. Step 2: Convert to fraction form
   69,631/142,949 = 142,949/x
3. Step 3: Cross multiply
   69,631x = 142,949 × 142,949
4. Step 4: Simplify right side
   69,631x = 20,434,416,601
5. Step 5: Solve for x
   x = 20,434,416,601/69,631
6. Step 6: Final answer
   x = 293,467.23