Finding the Third Proportional to 132,572 and 280,500

Step by Step Solution

1. Step 1: Write the proportion equation
   132,572 : 280,500 = 280,500 : x
2. Step 2: Convert to fraction form
   132,572/280,500 = 280,500/x
3. Step 3: Cross multiply
   132,572x = 280,500 × 280,500
4. Step 4: Simplify right side
   132,572x = 78,680,250,000
5. Step 5: Solve for x
   x = 78,680,250,000/132,572
6. Step 6: Final answer
   x = 593,490.71