Finding the Third Proportional to 69,029.25 and 140,961

Step by Step Solution

1. Step 1: Write the proportion equation
   69,029.25 : 140,961 = 140,961 : x
2. Step 2: Convert to fraction form
   69,029.25/140,961 = 140,961/x
3. Step 3: Cross multiply
   69,029.25x = 140,961 × 140,961
4. Step 4: Simplify right side
   69,029.25x = 19,870,003,521
5. Step 5: Solve for x
   x = 19,870,003,521/69,029.25
6. Step 6: Final answer
   x = 287,849.04