Finding the Third Proportional to 18,500.06 and 40,118.63

Step by Step Solution

1. Step 1: Write the proportion equation
   18,500.06 : 40,118.63 = 40,118.63 : x
2. Step 2: Convert to fraction form
   18,500.06/40,118.63 = 40,118.63/x
3. Step 3: Cross multiply
   18,500.06x = 40,118.63 × 40,118.63
4. Step 4: Simplify right side
   18,500.06x = 1,609,504,071.89
5. Step 5: Solve for x
   x = 1,609,504,071.89/18,500.06
6. Step 6: Final answer
   x = 86,999.93