Finding the Third Proportional to 131,128.50 and 271,590

Step by Step Solution

1. Step 1: Write the proportion equation
   131,128.50 : 271,590 = 271,590 : x
2. Step 2: Convert to fraction form
   131,128.50/271,590 = 271,590/x
3. Step 3: Cross multiply
   131,128.50x = 271,590 × 271,590
4. Step 4: Simplify right side
   131,128.50x = 73,761,128,100
5. Step 5: Solve for x
   x = 73,761,128,100/131,128.50
6. Step 6: Final answer
   x = 562,510.27