Finding the Third Proportional to 141,514.50 and 212,250

Step by Step Solution

1. Step 1: Write the proportion equation
   141,514.50 : 212,250 = 212,250 : x
2. Step 2: Convert to fraction form
   141,514.50/212,250 = 212,250/x
3. Step 3: Cross multiply
   141,514.50x = 212,250 × 212,250
4. Step 4: Simplify right side
   141,514.50x = 45,050,062,500
5. Step 5: Solve for x
   x = 45,050,062,500/141,514.50
6. Step 6: Final answer
   x = 318,342.38