Finding the Third Proportional to 4,381.50 and 5,613.75

Step by Step Solution

1. Step 1: Write the proportion equation
   4,381.50 : 5,613.75 = 5,613.75 : x
2. Step 2: Convert to fraction form
   4,381.50/5,613.75 = 5,613.75/x
3. Step 3: Cross multiply
   4,381.50x = 5,613.75 × 5,613.75
4. Step 4: Simplify right side
   4,381.50x = 31,514,189.06
5. Step 5: Solve for x
   x = 31,514,189.06/4,381.50
6. Step 6: Final answer
   x = 7,192.56