Finding the Third Proportional to 69,132 and 141,180

Step by Step Solution

1. Step 1: Write the proportion equation
   69,132 : 141,180 = 141,180 : x
2. Step 2: Convert to fraction form
   69,132/141,180 = 141,180/x
3. Step 3: Cross multiply
   69,132x = 141,180 × 141,180
4. Step 4: Simplify right side
   69,132x = 19,931,792,400
5. Step 5: Solve for x
   x = 19,931,792,400/69,132
6. Step 6: Final answer
   x = 288,315.00