Finding the Third Proportional to 69,010.50 and 140,922

Step by Step Solution

1. Step 1: Write the proportion equation
   69,010.50 : 140,922 = 140,922 : x
2. Step 2: Convert to fraction form
   69,010.50/140,922 = 140,922/x
3. Step 3: Cross multiply
   69,010.50x = 140,922 × 140,922
4. Step 4: Simplify right side
   69,010.50x = 19,859,010,084
5. Step 5: Solve for x
   x = 19,859,010,084/69,010.50
6. Step 6: Final answer
   x = 287,767.95