Finding the Third Proportional to 131,068.50 and 280,812

Step by Step Solution

1. Step 1: Write the proportion equation
   131,068.50 : 280,812 = 280,812 : x
2. Step 2: Convert to fraction form
   131,068.50/280,812 = 280,812/x
3. Step 3: Cross multiply
   131,068.50x = 280,812 × 280,812
4. Step 4: Simplify right side
   131,068.50x = 78,855,379,344
5. Step 5: Solve for x
   x = 78,855,379,344/131,068.50
6. Step 6: Final answer
   x = 601,634.87