Finding the Third Proportional to 69,132 and 141,182

Step by Step Solution

1. Step 1: Write the proportion equation
   69,132 : 141,182 = 141,182 : x
2. Step 2: Convert to fraction form
   69,132/141,182 = 141,182/x
3. Step 3: Cross multiply
   69,132x = 141,182 × 141,182
4. Step 4: Simplify right side
   69,132x = 19,932,357,124
5. Step 5: Solve for x
   x = 19,932,357,124/69,132
6. Step 6: Final answer
   x = 288,323.17