Finding the Third Proportional to 60,514.88 and 128,227.50

Step by Step Solution

1. Step 1: Write the proportion equation
   60,514.88 : 128,227.50 = 128,227.50 : x
2. Step 2: Convert to fraction form
   60,514.88/128,227.50 = 128,227.50/x
3. Step 3: Cross multiply
   60,514.88x = 128,227.50 × 128,227.50
4. Step 4: Simplify right side
   60,514.88x = 16,442,291,756.25
5. Step 5: Solve for x
   x = 16,442,291,756.25/60,514.88
6. Step 6: Final answer
   x = 271,706.61