Finding the Third Proportional to 131,006.50 and 280,705

Step by Step Solution

1. Step 1: Write the proportion equation
   131,006.50 : 280,705 = 280,705 : x
2. Step 2: Convert to fraction form
   131,006.50/280,705 = 280,705/x
3. Step 3: Cross multiply
   131,006.50x = 280,705 × 280,705
4. Step 4: Simplify right side
   131,006.50x = 78,795,297,025
5. Step 5: Solve for x
   x = 78,795,297,025/131,006.50
6. Step 6: Final answer
   x = 601,460.97