Finding the Third Proportional to 40,072.22 and 86,500.41

Step by Step Solution

1. Step 1: Write the proportion equation
   40,072.22 : 86,500.41 = 86,500.41 : x
2. Step 2: Convert to fraction form
   40,072.22/86,500.41 = 86,500.41/x
3. Step 3: Cross multiply
   40,072.22x = 86,500.41 × 86,500.41
4. Step 4: Simplify right side
   40,072.22x = 7,482,320,281.42
5. Step 5: Solve for x
   x = 7,482,320,281.42/40,072.22
6. Step 6: Final answer
   x = 186,720.89