Finding the Third Proportional to 69,098 and 143,388

Step by Step Solution

1. Step 1: Write the proportion equation
   69,098 : 143,388 = 143,388 : x
2. Step 2: Convert to fraction form
   69,098/143,388 = 143,388/x
3. Step 3: Cross multiply
   69,098x = 143,388 × 143,388
4. Step 4: Simplify right side
   69,098x = 20,560,118,544
5. Step 5: Solve for x
   x = 20,560,118,544/69,098
6. Step 6: Final answer
   x = 297,550.13