Finding the Third Proportional to 40,223.25 and 86,613.75

Step by Step Solution

1. Step 1: Write the proportion equation
   40,223.25 : 86,613.75 = 86,613.75 : x
2. Step 2: Convert to fraction form
   40,223.25/86,613.75 = 86,613.75/x
3. Step 3: Cross multiply
   40,223.25x = 86,613.75 × 86,613.75
4. Step 4: Simplify right side
   40,223.25x = 7,501,941,689.06
5. Step 5: Solve for x
   x = 7,501,941,689.06/40,223.25
6. Step 6: Final answer
   x = 186,507.60