Finding the Third Proportional to 132,011.25 and 280,384.50

Step by Step Solution

1. Step 1: Write the proportion equation
   132,011.25 : 280,384.50 = 280,384.50 : x
2. Step 2: Convert to fraction form
   132,011.25/280,384.50 = 280,384.50/x
3. Step 3: Cross multiply
   132,011.25x = 280,384.50 × 280,384.50
4. Step 4: Simplify right side
   132,011.25x = 78,615,467,840.25
5. Step 5: Solve for x
   x = 78,615,467,840.25/132,011.25
6. Step 6: Final answer
   x = 595,520.97