Finding the Third Proportional to 132,012 and 279,684

Step by Step Solution

1. Step 1: Write the proportion equation
   132,012 : 279,684 = 279,684 : x
2. Step 2: Convert to fraction form
   132,012/279,684 = 279,684/x
3. Step 3: Cross multiply
   132,012x = 279,684 × 279,684
4. Step 4: Simplify right side
   132,012x = 78,223,139,856
5. Step 5: Solve for x
   x = 78,223,139,856/132,012
6. Step 6: Final answer
   x = 592,545.68